When Calvin and Dave's college basketball teams go head-to-head, Dave surprises the Butlers with tickets to the game; a friend from Michigan visits and reveals surprising new details about Dave.

Reggie plans to help Jake attain a lifelong goal whether he likes it or not; success goes to Linda's head when she saves a patient's life.

Bob offers to get a friend to give Reggie a great deal on a new freezer - under one condition; John acts as a sex therapist for an 80-year-old couple.

Antonio believes he is being stalked by a sociopath (Beau Starr) when he identifies a robbery suspect.

Antonio convinces Lowell to negotiate for a raise when he receives a better job offer from another airport.

Happily married B.J. falls for a war correspondent (Susan Saint James).

Angered by the way civilian doctors are profiting from the war, Hawkeye presents the Army with a bill for his medical services.

Jim heads a team that interviews applicants, including several co-workers; Dwight tries to reassert himself as a contender.

Michael wants a drama-free day to say goodbye to his friends; Deangelo and Andy work to keep Michael's most-important clients.

Due to their contentious relationship, Bonnie and Christy become unwelcome guests everywhere they go.

When Roscoe announces that he has decided to go live with his father, Christy places the blame on Bonnie.

Jen makes the guys plan a surprise bachelor party for Adam; Jen paints a graphic mural in Jeff and Audrey's nursery.

Jeff's plan to prove that Heidi, a college friend, never had feelings for him goes awry; after making a discovery, Timmy quits.

When Gemma decides to fire a teacher at her school, she's unprepared for the aftermath; Calvin gets a surprise when he faces off with his newspaper carrier.

When Calvin and Dave's college basketball teams go head-to-head, Dave surprises the Butlers with tickets to the game; a friend from Michigan visits and reveals surprising new details about Dave.

An award comes between App and Umma; Shannon begins biking to work; Janet and Gerald have their first argument as roommates.

Pastor Nina stays with the Kims while her apartment is being renovated; after spending time with Janet and her college friends, Jung is worried he might not be that intelligent.

Fraser and Kowalski protect Kowalski's ex-wife and her new boyfriend, a politician who has been receiving death threats.

Gerry thinks he will catch students cheating during exam week.

Gerry decides to make a video presentation for Bully Awareness Week.

An award comes between App and Umma; Shannon begins biking to work; Janet and Gerald have their first argument as roommates.

Pastor Nina stays with the Kims while her apartment is being renovated; after spending time with Janet and her college friends, Jung is worried he might not be that intelligent.

Fraser and Kowalski protect Kowalski's ex-wife and her new boyfriend, a politician who has been receiving death threats.

Gerry thinks he will catch students cheating during exam week.

Gerry decides to make a video presentation for Bully Awareness Week.

An award comes between App and Umma; Shannon begins biking to work; Janet and Gerald have their first argument as roommates.

Pastor Nina stays with the Kims while her apartment is being renovated; after spending time with Janet and her college friends, Jung is worried he might not be that intelligent.

Just as the Huangs are settling into life without Eddie, an international incident sends him back to America; Evan watches Maria for Honey and Marvin and ends up learning more about himself than he expected.

Katie gets excited when her family receives its first "Boo" - an anonymous note and gift left on the doorstep.

Someone leaks a secret about Alex that sends the male airport staff hunting through Roy's magazine collection.

Helen gets a night job in order to save money for a new cello when the Nantucket String Quartet needs a fourth member.

Becker thinks one of his neighbors is sabotaging him by tampering with his laundry, apartment and mail.

John is forced to host a barbecue for the gang after he receives a package containing expensive steaks.

An amorous Italian soldier pursues Margaret.

The 4077th suffers a long, sleepless night during a scorching heat wave.

When the Johnsons invite the Butlers to go camping, Dave is taken aback by Calvin's idea of roughing it; Gemma and Tina cross paths with Maynard, a general store proprietor who may not be as friendly as he seems.

When a curmudgeonly resident who has few fans in the community passes away, the Butlers step up to host a memorial; Calvin learns something unexpected about himself.

Two couples and their single friend, all at different stages in their relationships, deal with the complications of dating, commitment and marriage.

Newly engaged Jennifer and Adam start to backpedal when they hear their long-married friends argue over a bicycle.

Just as the Huangs are settling into life without Eddie, an international incident sends him back to America; Evan watches Maria for Honey and Marvin and ends up learning more about himself than he expected.

Katie gets excited when her family receives its first "Boo" - an anonymous note and gift left on the doorstep.

The staff go into frantic speculation after accidentally discovering a list of their names in a notebook belonging to the mysterious new CEO.

The Scranton branch staff are challenged to double their sales; Andy decides to create an incentive program, but might end up regretting his promise.

Bonnie's mother, Shirley (Ellen Burstyn) - who abandoned Bonnie when she was young - suddenly wants to be a part of Christy and Bonnie's lives.

After Bonnie and Christy meet a teenage addict named Jodi (Emily Osment) at a meeting, they try to help her.

When the Johnsons invite the Butlers to go camping, Dave is taken aback by Calvin's idea of roughing it; Gemma and Tina cross paths with Maynard, a general store proprietor who may not be as friendly as he seems.

When a curmudgeonly resident who has few fans in the community passes away, the Butlers step up to host a memorial; Calvin learns something unexpected about himself.

Becker thinks one of his neighbors is sabotaging him by tampering with his laundry, apartment and mail.

John is forced to host a barbecue for the gang after he receives a package containing expensive steaks.

Someone leaks a secret about Alex that sends the male airport staff hunting through Roy's magazine collection.

Helen gets a night job in order to save money for a new cello when the Nantucket String Quartet needs a fourth member.

An amorous Italian soldier pursues Margaret.

The 4077th suffers a long, sleepless night during a scorching heat wave.

The staff go into frantic speculation after accidentally discovering a list of their names in a notebook belonging to the mysterious new CEO.

The Scranton branch staff are challenged to double their sales; Andy decides to create an incentive program, but might end up regretting his promise.

Bonnie's mother, Shirley (Ellen Burstyn) - who abandoned Bonnie when she was young - suddenly wants to be a part of Christy and Bonnie's lives.

After Bonnie and Christy meet a teenage addict named Jodi (Emily Osment) at a meeting, they try to help her.

Two couples and their single friend, all at different stages in their relationships, deal with the complications of dating, commitment and marriage.

Newly engaged Jennifer and Adam start to backpedal when they hear their long-married friends argue over a bicycle.

When the Johnsons invite the Butlers to go camping, Dave is taken aback by Calvin's idea of roughing it; Gemma and Tina cross paths with Maynard, a general store proprietor who may not be as friendly as he seems.

When a curmudgeonly resident who has few fans in the community passes away, the Butlers step up to host a memorial; Calvin learns something unexpected about himself.

Umma gets Jung into the store; Janet's cousin returns.

Appa feels pressured to make his date night with Umma more special; Jung looks online to replace Kimchee's sneakers.

Kowalski and Fraser begin an investigation that reveals the dark side of boxing after one of Kowalski's students injures someone in the ring.

Gerry organizes a dance as a fundraiser for the girls' basketball team; Robert tells Lisa he had a dream about Trudy.

Gerry sees an opportunity when a job opens up in the physical education department; Lisa is assigned Callaghan's niece.

Umma gets Jung into the store; Janet's cousin returns.

Appa feels pressured to make his date night with Umma more special; Jung looks online to replace Kimchee's sneakers.

Kowalski and Fraser begin an investigation that reveals the dark side of boxing after one of Kowalski's students injures someone in the ring.

Gerry organizes a dance as a fundraiser for the girls' basketball team; Robert tells Lisa he had a dream about Trudy.

Gerry sees an opportunity when a job opens up in the physical education department; Lisa is assigned Callaghan's niece.

Umma gets Jung into the store; Janet's cousin returns.

Appa feels pressured to make his date night with Umma more special; Jung looks online to replace Kimchee's sneakers.

After Brandi Chastain scores the World Cup-winning goal against China and rips off her jersey to celebrate, Evan gets his first case of "the tingles"; Louis and Eddie must team up to give Evan the talk.

Greg plays dirty to convince Katie to let them keep Anna-Kat's beloved pet pig; Oliver and Viv compete for the attention of a new neighbor; Taylor considers leaving her boyfriend.

Joe and Brian take out a second mortgage on their house to buy Helen a cello for her audition, then she changes her mind.

Brian schemes to get tickets to Clint Black's sold-out concert when he learns Alex is a big fan.

Becker's dismay at his neighbor leaving town makes Reggie jealous, and she believes he has more than casual feelings for the woman.

Becker must face his true feelings for Chris (Nancy Travis), angering Reggie, who has been repressing something too.

Hawkeye turns the 4077th into pen pals for fourth-graders back in the States.

A North Korean soldier takes Hawkeye prisoner.

Dave is thrilled when Calvin invites him to go golfing, confident that it represents progress in their relationship; Gemma and Tina team up to pull off an unforgettable surprise for Malcolm, Marty and Grover.

Dave is eager to take on a bigger role in the community and prove himself to Calvin; Calvin's reaction makes it clear that, while the relationship between the two families has grown, the friendship between Calvin and Dave needs more time.

Jeff wants to stay on Audrey's good side to ensure that he gets his yearly birthday deal; Russell tries to figure out what Jeff's birthday gift really is.

Audrey bets that Jeff cannot get a younger woman's phone number; Jennifer wants to get rid of their bed because Adam bought it with an ex-girlfriend.

After Brandi Chastain scores the World Cup-winning goal against China and rips off her jersey to celebrate, Evan gets his first case of "the tingles"; Louis and Eddie must team up to give Evan the talk.

Greg plays dirty to convince Katie to let them keep Anna-Kat's beloved pet pig; Oliver and Viv compete for the attention of a new neighbor; Taylor considers leaving her boyfriend.

After the warehouse employees win the lottery and quit their jobs, everyone in the office fantasizes about winning big; Darryl and Andy look for new warehouse workers.

When Andy decides to throw a garden party at Schrute Farms to impress Robert, Dwight researches how to be a good host; Andy's family makes him feel self-conscious.

After assisting a recovering drug addict who is trying to get back on her feet, Bonnie and Christy feel addicted to the rush of helping others.

Christy is overjoyed when Violet wants to improve their relationship and spend more time together; Bonnie tries to make amends with an enemy.

Dave is thrilled when Calvin invites him to go golfing, confident that it represents progress in their relationship; Gemma and Tina team up to pull off an unforgettable surprise for Malcolm, Marty and Grover.

Dave is eager to take on a bigger role in the community and prove himself to Calvin; Calvin's reaction makes it clear that, while the relationship between the two families has grown, the friendship between Calvin and Dave needs more time.

Becker's dismay at his neighbor leaving town makes Reggie jealous, and she believes he has more than casual feelings for the woman.

Becker must face his true feelings for Chris (Nancy Travis), angering Reggie, who has been repressing something too.

Joe and Brian take out a second mortgage on their house to buy Helen a cello for her audition, then she changes her mind.

Brian schemes to get tickets to Clint Black's sold-out concert when he learns Alex is a big fan.

Hawkeye turns the 4077th into pen pals for fourth-graders back in the States.

A North Korean soldier takes Hawkeye prisoner.

After the warehouse employees win the lottery and quit their jobs, everyone in the office fantasizes about winning big; Darryl and Andy look for new warehouse workers.

When Andy decides to throw a garden party at Schrute Farms to impress Robert, Dwight researches how to be a good host; Andy's family makes him feel self-conscious.

After assisting a recovering drug addict who is trying to get back on her feet, Bonnie and Christy feel addicted to the rush of helping others.

Christy is overjoyed when Violet wants to improve their relationship and spend more time together; Bonnie tries to make amends with an enemy.

Jeff wants to stay on Audrey's good side to ensure that he gets his yearly birthday deal; Russell tries to figure out what Jeff's birthday gift really is.

Audrey bets that Jeff cannot get a younger woman's phone number; Jennifer wants to get rid of their bed because Adam bought it with an ex-girlfriend.

Dave is thrilled when Calvin invites him to go golfing, confident that it represents progress in their relationship; Gemma and Tina team up to pull off an unforgettable surprise for Malcolm, Marty and Grover.

Dave is eager to take on a bigger role in the community and prove himself to Calvin; Calvin's reaction makes it clear that, while the relationship between the two families has grown, the friendship between Calvin and Dave needs more time.

A money-saving scheme comes back to haunt Appa and Umma; Janet's bedroom habits make Gerald uncomfortable; Jung does damage control after being upstaged.

Appa wants in on Umma's side business; Janet assumes a new identity; Jung and Kimchee get a new freezer.

While the police force is on strike, Fraser and Kowalski help a bounty hunter find a bail jumper from Montana.

Gerry must find a guest speaker for Career Day who is better than Dwyer's; Robert has a fraternity reunion and tries to avoid getting sick.

Liz leads the Quiz Cup team; Bobbi teaches an uncomfortable health unit; Robert loses patience with Trudy over her constant joking.

A money-saving scheme comes back to haunt Appa and Umma; Janet's bedroom habits make Gerald uncomfortable; Jung does damage control after being upstaged.

Appa wants in on Umma's side business; Janet assumes a new identity; Jung and Kimchee get a new freezer.

While the police force is on strike, Fraser and Kowalski help a bounty hunter find a bail jumper from Montana.

Gerry must find a guest speaker for Career Day who is better than Dwyer's; Robert has a fraternity reunion and tries to avoid getting sick.

Liz leads the Quiz Cup team; Bobbi teaches an uncomfortable health unit; Robert loses patience with Trudy over her constant joking.

A money-saving scheme comes back to haunt Appa and Umma; Janet's bedroom habits make Gerald uncomfortable; Jung does damage control after being upstaged.

Appa wants in on Umma's side business; Janet assumes a new identity; Jung and Kimchee get a new freezer.

While Grandma Jenny, Emery and Evan look to the future, Louis and Jessica take a trip down memory lane; Eddie, on the other hand, is stuck trying to navigate the present after his first college visit doesn't go according to plan.

Greg's plans to impress his parents on Thanksgiving go awry when other guests arrive unannounced.

Joe and Brian get tips from Helen on what women like in men in order to interest Alex in a date.

Helen's elaborate plans for a surprise birthday party go up in smoke when the honoree injures himself in her house.

Becker must sort out his feelings for two different women; Linda's antics leave Margaret at her wits' end.

Jake and Bob want to join Reggie in Europe; Chris isn't convinced when Becker tries to prove his true feelings toward her.

Margaret is reunited with her Army colonel father.

Brokenhearted Klinger loses his wife for the second time.

When Grover gets into a fight with a bully at school, Gemma is torn between her role as principal and wanting to protect her son; Calvin encourages Marty to stand up to his own bully, only to be shocked when he learns who it is.

When Tina decides it's time to make home improvements, Dave volunteers to repaint the Butler house, violating Calvin's "man code" and setting off a chain of events that impacts both families.

Jeff helps Jennifer lift her heavy sofa, but he soon feels guilty.

A chance meeting with an old flame prompts Russell to right a previous wrong.

While Grandma Jenny, Emery and Evan look to the future, Louis and Jessica take a trip down memory lane; Eddie, on the other hand, is stuck trying to navigate the present after his first college visit doesn't go according to plan.

Greg's plans to impress his parents on Thanksgiving go awry when other guests arrive unannounced.

Erin tries to put on a Halloween party that will please both Andy and Robert California; Jim and Pam fight about the existence of ghosts; Dwight bonds with Robert California's son.

Dwight installs a device in the office that will get everyone fired if they make too many errors; Gabe takes a liking to an employee at the warehouse.

After a parent-teacher conference, Christy feels threatened by Baxter's girlfriend, Candace (Sara Rue); Bonnie flirts with someone unexpected.

Regina doesn't think she is an alcoholic; Wendy encourages the ladies to attend a sober holiday dance.

When Grover gets into a fight with a bully at school, Gemma is torn between her role as principal and wanting to protect her son; Calvin encourages Marty to stand up to his own bully, only to be shocked when he learns who it is.

When Tina decides it's time to make home improvements, Dave volunteers to repaint the Butler house, violating Calvin's "man code" and setting off a chain of events that impacts both families.

Becker must sort out his feelings for two different women; Linda's antics leave Margaret at her wits' end.

Jake and Bob want to join Reggie in Europe; Chris isn't convinced when Becker tries to prove his true feelings toward her.

Joe and Brian get tips from Helen on what women like in men in order to interest Alex in a date.

Helen's elaborate plans for a surprise birthday party go up in smoke when the honoree injures himself in her house.

Margaret is reunited with her Army colonel father.

Brokenhearted Klinger loses his wife for the second time.

Erin tries to put on a Halloween party that will please both Andy and Robert California; Jim and Pam fight about the existence of ghosts; Dwight bonds with Robert California's son.

Dwight installs a device in the office that will get everyone fired if they make too many errors; Gabe takes a liking to an employee at the warehouse.

After a parent-teacher conference, Christy feels threatened by Baxter's girlfriend, Candace (Sara Rue); Bonnie flirts with someone unexpected.

Regina doesn't think she is an alcoholic; Wendy encourages the ladies to attend a sober holiday dance.

Jeff helps Jennifer lift her heavy sofa, but he soon feels guilty.

A chance meeting with an old flame prompts Russell to right a previous wrong.

When Grover gets into a fight with a bully at school, Gemma is torn between her role as principal and wanting to protect her son; Calvin encourages Marty to stand up to his own bully, only to be shocked when he learns who it is.

When Tina decides it's time to make home improvements, Dave volunteers to repaint the Butler house, violating Calvin's "man code" and setting off a chain of events that impacts both families.

Umma has her heart set on a coat at the auction; Jung accuses Shannon of acting unprofessional; Janet's big payday gets foiled.

Appa and Umma donate to a new Canadian family; a photography lecturer notices Janet; Kimchee worries about Jung stealing his girlfriend.

Kowalski, Welsh and Thatcher (Callum Keith Rennie, Beau Starr, Camilla Scott) all witness a murder at the mall, but can't agree on who did it.

Gerry has to help Bobbi chaperone a field trip to the museum; Jeff and Robert cover his classes back at Xavier.

Gerry is desperate to win his first basketball game of the season; but his emotions take over when he learns that his ex and her husband are coaching the opposing team.

Umma has her heart set on a coat at the auction; Jung accuses Shannon of acting unprofessional; Janet's big payday gets foiled.

Appa and Umma donate to a new Canadian family; a photography lecturer notices Janet; Kimchee worries about Jung stealing his girlfriend.

Kowalski, Welsh and Thatcher (Callum Keith Rennie, Beau Starr, Camilla Scott) all witness a murder at the mall, but can't agree on who did it.

Gerry has to help Bobbi chaperone a field trip to the museum; Jeff and Robert cover his classes back at Xavier.

Gerry is desperate to win his first basketball game of the season; but his emotions take over when he learns that his ex and her husband are coaching the opposing team.

Umma has her heart set on a coat at the auction; Jung accuses Shannon of acting unprofessional; Janet's big payday gets foiled.

Appa and Umma donate to a new Canadian family; a photography lecturer notices Janet; Kimchee worries about Jung stealing his girlfriend.

After seeing Marvin blissfully enter retirement, Grandma Huang decides it's her turn to retire from something; when Louis fails to celebrate her as she wanted, it will take a visit from Hurricane Gene - and maybe a hot tub - to make things right.

Katie teams up with Oliver to bribe rich Westport families to donate big-ticket items for the spring gala; Greg takes Taylor and Anna-Kat to a Revolutionary War re-enactment.

Lowell attempts to eulogize his friend and mentor; Joe and Brian try to keep Helen awake for 18 hours after she suffers a head injury.

While at the wedding of an air-traffic controller, Lowell encounters his ex-wife, and Helen gets stuck with a geek.

Tensions between Becker and Chris escalate, threatening their friendship.

Becker makes a long-distance visit to a former patient (Hal Holbrook) who's on his deathbed; Chris gives Bob a peep show.

With a bottle of wine, Hawkeye goes looking for romance.

The camp throws a Christmas party for Korean orphans.

When Dave accidentally knocks out the Butlers' power during a heat wave, Calvin and Tina spend the night at the Johnsons' home; Malcolm has some fun at Marty's expense when he crashes at his little brother's refurbished apartment.

The Butlers and Johnsons decide to go on a double date, and they all get more than they bargained for at a new restaurant; Grover invites Malcolm and Marty to be the first guests on his new podcast.

Audrey is upset when Jeff seems more interested in the outcome of a New York Knicks game than in her news about a big promotion; Adam and Jennifer argue over how they are spending their money.

When Audrey makes a quilt out of Jeff's favorite T-shirts, the gift is a bigger hit than she imagined.

After seeing Marvin blissfully enter retirement, Grandma Huang decides it's her turn to retire from something; when Louis fails to celebrate her as she wanted, it will take a visit from Hurricane Gene - and maybe a hot tub - to make things right.

Katie teams up with Oliver to bribe rich Westport families to donate big-ticket items for the spring gala; Greg takes Taylor and Anna-Kat to a Revolutionary War re-enactment.

Pam teams up with Dwight to prove that Jim thinks her temporary replacement is pretty; Robert California asks to join Andy, Darryl and Kevin's band.

Andy tries to motivate the staff by taking them on a field trip to Gettysburg; Robert asks those who stay behind to come up with the company's next big idea.

Christy hosts a dinner attended by Violet's future mother-in-law, who is hard to please; Steve wants to take his relationship with Bonnie to the next level.

Candace and Baxter are outraged when Christy catches the eye of Candace's charming, wealthy father, Fred (Harry Hamlin); Bonnie thinks Christy should give Fred a chance.

When Dave accidentally knocks out the Butlers' power during a heat wave, Calvin and Tina spend the night at the Johnsons' home; Malcolm has some fun at Marty's expense when he crashes at his little brother's refurbished apartment.

The Butlers and Johnsons decide to go on a double date, and they all get more than they bargained for at a new restaurant; Grover invites Malcolm and Marty to be the first guests on his new podcast.

Tensions between Becker and Chris escalate, threatening their friendship.

Becker makes a long-distance visit to a former patient (Hal Holbrook) who's on his deathbed; Chris gives Bob a peep show.

Lowell attempts to eulogize his friend and mentor; Joe and Brian try to keep Helen awake for 18 hours after she suffers a head injury.

While at the wedding of an air-traffic controller, Lowell encounters his ex-wife, and Helen gets stuck with a geek.

With a bottle of wine, Hawkeye goes looking for romance.

The camp throws a Christmas party for Korean orphans.

Pam teams up with Dwight to prove that Jim thinks her temporary replacement is pretty; Robert California asks to join Andy, Darryl and Kevin's band.

Andy tries to motivate the staff by taking them on a field trip to Gettysburg; Robert asks those who stay behind to come up with the company's next big idea.

Christy hosts a dinner attended by Violet's future mother-in-law, who is hard to please; Steve wants to take his relationship with Bonnie to the next level.

Candace and Baxter are outraged when Christy catches the eye of Candace's charming, wealthy father, Fred (Harry Hamlin); Bonnie thinks Christy should give Fred a chance.

Audrey is upset when Jeff seems more interested in the outcome of a New York Knicks game than in her news about a big promotion; Adam and Jennifer argue over how they are spending their money.

When Audrey makes a quilt out of Jeff's favorite T-shirts, the gift is a bigger hit than she imagined.

When Dave accidentally knocks out the Butlers' power during a heat wave, Calvin and Tina spend the night at the Johnsons' home; Malcolm has some fun at Marty's expense when he crashes at his little brother's refurbished apartment.

The Butlers and Johnsons decide to go on a double date, and they all get more than they bargained for at a new restaurant; Grover invites Malcolm and Marty to be the first guests on his new podcast.

Janet tries to keep her relationship from Appa and Umma; Jung and Kimchee can't agree about their house party.

Appa and Umma meet their new neighbor; Jung starts a new work romance; Janet doesn't like how sweet Gerald's new girlfriend is.

When Fraser's friend intercepts a secret message, Fraser and Kowalski become entrapped in a deadly arms transaction.

For the school's charity day, Gerry steps into the ring with Mr. Dwyer to decide the Mr. D title once and for all.

Under scrutiny from a board member, Gerry faces the challenge of showcasing his job prowess to avoid severe consequences; Robert becomes principal for a day.

Janet tries to keep her relationship from Appa and Umma; Jung and Kimchee can't agree about their house party.

Appa and Umma meet their new neighbor; Jung starts a new work romance; Janet doesn't like how sweet Gerald's new girlfriend is.

When Fraser's friend intercepts a secret message, Fraser and Kowalski become entrapped in a deadly arms transaction.

For the school's charity day, Gerry steps into the ring with Mr. Dwyer to decide the Mr. D title once and for all.

Under scrutiny from a board member, Gerry faces the challenge of showcasing his job prowess to avoid severe consequences; Robert becomes principal for a day.

When Adam and Andi discover Kate has been lying to them about her whereabouts, they come up with a plan to catch her.

Adam and Andi contemplate having another baby when Don and Marcy's newborn grandson comes for a visit.

Jack dates a millennial to avoid commitment but needs the help of Clark, Emma and Mason to keep up with the girl's exhausting lifestyle.

Greg and Katie become ecstatic when they meet a couple without children; Anna-Kat coerces Taylor and Oliver into helping her with a storytelling project.

Brian pulls out all the stops in an attempt to win Alex's affections; Roy and Lowell become addicted to a video game.

Brian has a difficult decision to make when he and Alex spend a week dating each other.

Becker tries to woo Chris with an invitation to his place, but she elects to go out with someone else.

Becker tells his friend Tony that Chris is gay; Bob buys walkie-talkies so he can keep in touch with Jake.

New Year's Day 1951: a year in the life of the 4077th.

Maj. Charles Winchester assumes command of the 4077th.

Dave and Tina discover a common bond when they attend a concert together; Gemma seeks the Butlers' help when an unwelcome visitor takes up residence in the Johnson home.

Calvin and Tina near a milestone anniversary; Dave and Gemma decide to help the Butlers have the wedding they missed out on the first time around; Malcolm and Marty prepare an unforgettable performance for their parents' special occasion.

When Adam and Andi discover Kate has been lying to them about her whereabouts, they come up with a plan to catch her.

Adam and Andi contemplate having another baby when Don and Marcy's newborn grandson comes for a visit.

Jack dates a millennial to avoid commitment but needs the help of Clark, Emma and Mason to keep up with the girl's exhausting lifestyle.

Greg and Katie become ecstatic when they meet a couple without children; Anna-Kat coerces Taylor and Oliver into helping her with a storytelling project.

Robert California brings his wife (Maura Tierney) into the office to find her a job; Dwight opens a gym in the building.

Andy tries to make holiday wishes come true; Robert decides to drown his sorrows at the office party.

Candace struggles with Christy and Fred's relationship, while Bonnie enjoys the benefits of her daughter dating a wealthy man.

Hoping to avoid her ex-boyfriend, Bonnie goes to a new AA meeting - where she runs into her ex-girlfriend (Rosie O'Donnell) from 30 years ago.

Dave and Tina discover a common bond when they attend a concert together; Gemma seeks the Butlers' help when an unwelcome visitor takes up residence in the Johnson home.

Calvin and Tina near a milestone anniversary; Dave and Gemma decide to help the Butlers have the wedding they missed out on the first time around; Malcolm and Marty prepare an unforgettable performance for their parents' special occasion.

Becker tries to woo Chris with an invitation to his place, but she elects to go out with someone else.

Becker tells his friend Tony that Chris is gay; Bob buys walkie-talkies so he can keep in touch with Jake.

Brian pulls out all the stops in an attempt to win Alex's affections; Roy and Lowell become addicted to a video game.

Brian has a difficult decision to make when he and Alex spend a week dating each other.

New Year's Day 1951: a year in the life of the 4077th.

Maj. Charles Winchester assumes command of the 4077th.

Robert California brings his wife (Maura Tierney) into the office to find her a job; Dwight opens a gym in the building.

Andy tries to make holiday wishes come true; Robert decides to drown his sorrows at the office party.

Candace struggles with Christy and Fred's relationship, while Bonnie enjoys the benefits of her daughter dating a wealthy man.

Hoping to avoid her ex-boyfriend, Bonnie goes to a new AA meeting - where she runs into her ex-girlfriend (Rosie O'Donnell) from 30 years ago.

When Adam and Andi discover Kate has been lying to them about her whereabouts, they come up with a plan to catch her.

Adam and Andi contemplate having another baby when Don and Marcy's newborn grandson comes for a visit.

Dave and Tina discover a common bond when they attend a concert together; Gemma seeks the Butlers' help when an unwelcome visitor takes up residence in the Johnson home.

Calvin and Tina near a milestone anniversary; Dave and Gemma decide to help the Butlers have the wedding they missed out on the first time around; Malcolm and Marty prepare an unforgettable performance for their parents' special occasion.

Appa inherits a smartphone; Umma discovers a pest in the store; Kimchee tries to help Janet with her F.O.M.O.; Jung tries to reconnect with a girl.

Umma wants the family to celebrate Jung getting his GED; Janet gets tired of being the good one; Jung struggles to tell Shannon about a new opportunity.

During a night of full-moon madness, Ray punches a hole in the interrogation room wall and finds a perfectly preserved corpse.

Gerry wants to buy a new car and finds a second job to make some extra cash for it; Robert cuts from Leung's library; Trudy finds out that Bobbi can't flirt.

Gerry brings his personal views into the classroom; a birthday gift for Callaghan; Simon has a crush on a teacher.

Appa inherits a smartphone; Umma discovers a pest in the store; Kimchee tries to help Janet with her F.O.M.O.; Jung tries to reconnect with a girl.

Umma wants the family to celebrate Jung getting his GED; Janet gets tired of being the good one; Jung struggles to tell Shannon about a new opportunity.

During a night of full-moon madness, Ray punches a hole in the interrogation room wall and finds a perfectly preserved corpse.

Gerry wants to buy a new car and finds a second job to make some extra cash for it; Robert cuts from Leung's library; Trudy finds out that Bobbi can't flirt.

Gerry brings his personal views into the classroom; a birthday gift for Callaghan; Simon has a crush on a teacher.

Andi hires a pretty, young babysitter, Sophia; Andi gets jealous when her daughter goes to Sophia for advice instead of her; Sophia tells Adam she is attracted to him.

Adam discovers the pastor he hired for his wedding is a phony and he and Andi aren't really married; Adam scrambles to fix it before Andi finds out.

Jack asks his co-workers to pretend to be his closest friends at a dinner party; his girlfriend becomes concerned by Jack's lack of an inner circle.

The Ottos struggle to be together for Christmas; Taylor teaches Oliver how to ask out a crush.

While Brian recuperates from an injury, he becomes jealous when Alex spends time with Joe.

Lowell and Bunny (Laura Innes) discover that a divorce is what they need to get the spark back in their marriage.

Becker's new patient (French Stewart) drives him batty by scheduling several appointments as multiple personalities; Bob decides he wants to be a father.

Chris loses it after overdoing her good deeds and learning what the purpose of one of her kindnesses really was.

Hawkeye builds a monument to 4077th patients.

Klinger becomes a hero when an explosion rocks the operating room.

Calvin and Dave team up for a chance at bowling championship glory; Gemma and Tina face off against each other for the top ranking in an arcade game.

When Gemma sets a reluctant Malcolm up on a blind date with a teacher at her school, she discovers new details about the origins of her relationship with Dave; Marty helps Calvin and Tina plan for their future.

Andi hires a pretty, young babysitter, Sophia; Andi gets jealous when her daughter goes to Sophia for advice instead of her; Sophia tells Adam she is attracted to him.

Adam discovers the pastor he hired for his wedding is a phony and he and Andi aren't really married; Adam scrambles to fix it before Andi finds out.

Jack asks his co-workers to pretend to be his closest friends at a dinner party; his girlfriend becomes concerned by Jack's lack of an inner circle.

The Ottos struggle to be together for Christmas; Taylor teaches Oliver how to ask out a crush.

Andy gets the office involved in a trivia contest; Dwight explores job opportunities at Sabre headquarters.

When Robert decides to sell his mansion, Kevin suggests he throw a pool party for the office; Erin flirts with Dwight to get Andy's attention; Robert gives a tour of his home.

Christy tries to help a handsome, newly sober AA member, but her attraction to him makes things complicated; Bonnie agrees to attend a charity gala with Jill.

When Marjorie reveals her plans to get married, Christy and Bonnie want to make sure her big day is perfect.

Calvin and Dave team up for a chance at bowling championship glory; Gemma and Tina face off against each other for the top ranking in an arcade game.

When Gemma sets a reluctant Malcolm up on a blind date with a teacher at her school, she discovers new details about the origins of her relationship with Dave; Marty helps Calvin and Tina plan for their future.

Becker's new patient (French Stewart) drives him batty by scheduling several appointments as multiple personalities; Bob decides he wants to be a father.

Chris loses it after overdoing her good deeds and learning what the purpose of one of her kindnesses really was.

While Brian recuperates from an injury, he becomes jealous when Alex spends time with Joe.

Lowell and Bunny (Laura Innes) discover that a divorce is what they need to get the spark back in their marriage.

Hawkeye builds a monument to 4077th patients.

Klinger becomes a hero when an explosion rocks the operating room.

Andy gets the office involved in a trivia contest; Dwight explores job opportunities at Sabre headquarters.

When Robert decides to sell his mansion, Kevin suggests he throw a pool party for the office; Erin flirts with Dwight to get Andy's attention; Robert gives a tour of his home.

Christy tries to help a handsome, newly sober AA member, but her attraction to him makes things complicated; Bonnie agrees to attend a charity gala with Jill.

When Marjorie reveals her plans to get married, Christy and Bonnie want to make sure her big day is perfect.

Andi hires a pretty, young babysitter, Sophia; Andi gets jealous when her daughter goes to Sophia for advice instead of her; Sophia tells Adam she is attracted to him.

Adam discovers the pastor he hired for his wedding is a phony and he and Andi aren't really married; Adam scrambles to fix it before Andi finds out.

Calvin and Dave team up for a chance at bowling championship glory; Gemma and Tina face off against each other for the top ranking in an arcade game.

When Gemma sets a reluctant Malcolm up on a blind date with a teacher at her school, she discovers new details about the origins of her relationship with Dave; Marty helps Calvin and Tina plan for their future.

When Umma wants a new dishwasher, Appa is determined to get the best deal; Janet adopts a new name; Jung tries to get his job back at Handy.

Appa tries to convince Umma that he's still attractive; Jung returns to Handy; Gerald's girlfriend makes herself at home.

Fraser must find a flight attendant's killer before her RCMP father starts an international incident.

Gerry comes up with a scheme to catch a basketball game on a school trip to Boston; his plan might fall apart due to Robert coming along as a chaperone.

Gerry develops a crush on an annoying student; Simon gets driving lessons; Trudy and Robert become incomprehensible.

When Umma wants a new dishwasher, Appa is determined to get the best deal; Janet adopts a new name; Jung tries to get his job back at Handy.

Appa tries to convince Umma that he's still attractive; Jung returns to Handy; Gerald's girlfriend makes herself at home.

Fraser must find a flight attendant's killer before her RCMP father starts an international incident.

Gerry comes up with a scheme to catch a basketball game on a school trip to Boston; his plan might fall apart due to Robert coming along as a chaperone.

Gerry develops a crush on an annoying student; Simon gets driving lessons; Trudy and Robert become incomprehensible.

When Umma wants a new dishwasher, Appa is determined to get the best deal; Janet adopts a new name; Jung tries to get his job back at Handy.

Appa tries to convince Umma that he's still attractive; Jung returns to Handy; Gerald's girlfriend makes herself at home.

Eddie faces his fears and finally introduces his girlfriend, Tina, to his mom; Louis searches for his next passion.

Taylor enlists Oliver to help her carry out a scheme so she can ditch her friend Ellen and go to a concert with her blondetourage; Katie makes some poor and desperate parenting decisions.

A potential investor in the airline (Mark Harelik) becomes interested in Helen.

Joe and Helen must stay in a cabin where Alex and Brian hoped to consummate their relationship.

When Jake recognizes a robber's voice at a hockey game, he persuades Becker to make a citizen's arrest.

Much to Chris' chagrin, Becker announces he'll be spending Christmas with his new girlfriend; Margaret regrets inviting Linda to go caroling.

Hawkeye gives up jokes while Charles schemes to give up Korea.

B.J. braces for a wedding anniversary without Peg as Charles prepares for front-line action.

Calvin reluctantly agrees to let Marty create a website for his auto shop in hopes of drumming up more business; Dave makes it his mission to prove to his son that there's more to life than his favorite gadgets.

When the Johnsons' Christmas present for Grover is stolen, Calvin and Dave team up to recover the gift in time for the holiday; a nostalgic Tina tries to get into the Christmas spirit by reviving traditions from when Malcolm and Marty were kids.

Jeff tries to solve a problem that Audrey has with a neighbor, but he ends up making it worse.

Jeff and Audrey decide to have separate bedrooms when his snoring keeps her awake, but he takes advantage of his newfound freedom by staying up too late.

Eddie faces his fears and finally introduces his girlfriend, Tina, to his mom; Louis searches for his next passion.

Taylor enlists Oliver to help her carry out a scheme so she can ditch her friend Ellen and go to a concert with her blondetourage; Katie makes some poor and desperate parenting decisions.

When Jim returns from jury duty Dwight questions him about the case; Angela and the senator welcome their new baby.

When Dwight receives a special assignment in Tallahassee, he and Andy must decide which Scranton employees will go with him; Pam returns from maternity leave.

Christy, Jill and Wendy end up in a sticky situation when they help Bonnie smuggle an illegal substance.

When a health scare sends Bonnie careening into a tailspin, Christy tries her very best to be supportive.

Calvin reluctantly agrees to let Marty create a website for his auto shop in hopes of drumming up more business; Dave makes it his mission to prove to his son that there's more to life than his favorite gadgets.

When the Johnsons' Christmas present for Grover is stolen, Calvin and Dave team up to recover the gift in time for the holiday; a nostalgic Tina tries to get into the Christmas spirit by reviving traditions from when Malcolm and Marty were kids.

When Jake recognizes a robber's voice at a hockey game, he persuades Becker to make a citizen's arrest.

Much to Chris' chagrin, Becker announces he'll be spending Christmas with his new girlfriend; Margaret regrets inviting Linda to go caroling.

A potential investor in the airline (Mark Harelik) becomes interested in Helen.

Joe and Helen must stay in a cabin where Alex and Brian hoped to consummate their relationship.

Hawkeye gives up jokes while Charles schemes to give up Korea.

B.J. braces for a wedding anniversary without Peg as Charles prepares for front-line action.

When Jim returns from jury duty Dwight questions him about the case; Angela and the senator welcome their new baby.

When Dwight receives a special assignment in Tallahassee, he and Andy must decide which Scranton employees will go with him; Pam returns from maternity leave.

Christy, Jill and Wendy end up in a sticky situation when they help Bonnie smuggle an illegal substance.

When a health scare sends Bonnie careening into a tailspin, Christy tries her very best to be supportive.

Jeff tries to solve a problem that Audrey has with a neighbor, but he ends up making it worse.

Jeff and Audrey decide to have separate bedrooms when his snoring keeps her awake, but he takes advantage of his newfound freedom by staying up too late.

Calvin reluctantly agrees to let Marty create a website for his auto shop in hopes of drumming up more business; Dave makes it his mission to prove to his son that there's more to life than his favorite gadgets.

When the Johnsons' Christmas present for Grover is stolen, Calvin and Dave team up to recover the gift in time for the holiday; a nostalgic Tina tries to get into the Christmas spirit by reviving traditions from when Malcolm and Marty were kids.

Appa and Umma unwittingly end up in marriage counseling; Jung learns more about Shannon's boyfriend than he bargained for; Janet debates whether to share a potential mentor with Gerald.

Appa attempts to get cheap Wi-Fi; Janet is forced to do a reading at church; Jung and Katie hit it off.

After Kowalski is framed for the murder of a crime boss, Fraser places him under arrest at the Canadian consulate.

Gerry steps in when Bobbi and Craig break up; Robert disciplines students; Jimmy asks advice on growing wheatgrass.

Gerry's date with Jean McCrory goes well until a gorgeous sex worker bursts in demanding her due; Leung bangs his head against a door and the students post the video online; Trudy regrets her decision.

Appa and Umma unwittingly end up in marriage counseling; Jung learns more about Shannon's boyfriend than he bargained for; Janet debates whether to share a potential mentor with Gerald.

Appa attempts to get cheap Wi-Fi; Janet is forced to do a reading at church; Jung and Katie hit it off.

After Kowalski is framed for the murder of a crime boss, Fraser places him under arrest at the Canadian consulate.

Gerry steps in when Bobbi and Craig break up; Robert disciplines students; Jimmy asks advice on growing wheatgrass.

Gerry's date with Jean McCrory goes well until a gorgeous sex worker bursts in demanding her due; Leung bangs his head against a door and the students post the video online; Trudy regrets her decision.

Appa and Umma unwittingly end up in marriage counseling; Jung learns more about Shannon's boyfriend than he bargained for; Janet debates whether to share a potential mentor with Gerald.

Appa attempts to get cheap Wi-Fi; Janet is forced to do a reading at church; Jung and Katie hit it off.

The Huang boys want to find a group costume they can all agree on; Louis decides to show Jessica why Halloween is so great.

Katie is worried that the launch of Greg's new book might go poorly, so she enlists Angela and Doris to write positive reviews; when the book unexpectedly does exceedingly well, Greg buys a new car without consulting Katie.

A black eye and discolored hair turn Helen's dream date into a nightmare.

Disgusted with his life, Joe leaves town; Brian must grow up and run the airline.

On her 10th anniversary of working with Becker, Margaret feels he owes her more recognition than she receives.

Becker is shocked when a 15-year-old patient confides he has unprotected sex; Becker accidentally leaves a bag of condoms in the diner.

Hawkeye becomes a villain after his practical joke on Charles goes awry.

Col. Potter is overwhelmed by the attention he receives as his staff tries to reduce his blood pressure before his annual physical.

Dave's patience is tested when Gemma's freeloading sister suddenly shows up with plans for an extended stay; Calvin grows frustrated that Malcolm is still living at home.

Tina spends time with the charming new minister she helped select for her church; Calvin suspects the man may be coveting more than just job security; Marty gets a surprise when he finally meets his disruptive, new upstairs neighbor.

When Russell finds out that Audrey's sister, Barbara, is having problems in her marriage, he takes her out, which infuriates Audrey.

Jeff teaches Audrey the meaning of the guy code when he asks her to keep some information to herself.

The Huang boys want to find a group costume they can all agree on; Louis decides to show Jessica why Halloween is so great.

Katie is worried that the launch of Greg's new book might go poorly, so she enlists Angela and Doris to write positive reviews; when the book unexpectedly does exceedingly well, Greg buys a new car without consulting Katie.

In Tallahassee, Fla., Dwight tries to impress Sabre's special projects president; Andy tries to avoid requests for raises.

Dwight and Packer compete for a job; Jim receives an unwelcome visitor; Andy has everyone stay late to cover for their co-workers in Florida.

Christy denies still having feelings for her ex-husband, Baxter, but Bonnie doesn't believe her and wants to prove otherwise.

Christy takes a job as Jill's personal assistant after the restaurant closes for renovations; Bonnie falls for a guy who dialed her phone number by accident.

Dave's patience is tested when Gemma's freeloading sister suddenly shows up with plans for an extended stay; Calvin grows frustrated that Malcolm is still living at home.

Tina spends time with the charming new minister she helped select for her church; Calvin suspects the man may be coveting more than just job security; Marty gets a surprise when he finally meets his disruptive, new upstairs neighbor.

On her 10th anniversary of working with Becker, Margaret feels he owes her more recognition than she receives.

Becker is shocked when a 15-year-old patient confides he has unprotected sex; Becker accidentally leaves a bag of condoms in the diner.

A black eye and discolored hair turn Helen's dream date into a nightmare.

Disgusted with his life, Joe leaves town; Brian must grow up and run the airline.

Hawkeye becomes a villain after his practical joke on Charles goes awry.

Col. Potter is overwhelmed by the attention he receives as his staff tries to reduce his blood pressure before his annual physical.

In Tallahassee, Fla., Dwight tries to impress Sabre's special projects president; Andy tries to avoid requests for raises.

Dwight and Packer compete for a job; Jim receives an unwelcome visitor; Andy has everyone stay late to cover for their co-workers in Florida.

Christy denies still having feelings for her ex-husband, Baxter, but Bonnie doesn't believe her and wants to prove otherwise.

Christy takes a job as Jill's personal assistant after the restaurant closes for renovations; Bonnie falls for a guy who dialed her phone number by accident.

When Russell finds out that Audrey's sister, Barbara, is having problems in her marriage, he takes her out, which infuriates Audrey.

Jeff teaches Audrey the meaning of the guy code when he asks her to keep some information to herself.

Dave's patience is tested when Gemma's freeloading sister suddenly shows up with plans for an extended stay; Calvin grows frustrated that Malcolm is still living at home.

Tina spends time with the charming new minister she helped select for her church; Calvin suspects the man may be coveting more than just job security; Marty gets a surprise when he finally meets his disruptive, new upstairs neighbor.

Appa becomes the star of Gerald's photo essay; Umma realizes that her family doesn't completely trust her; Jenny makes a social faux pas.

Appa and Jung try out the old family ping pong table; Umma's feelings get hurt when Janet refuses to hang out with her; a gift basket causes problems.

The case of a murdered sailor, $100 million in gold bullion and a ghost ship in the Great Lakes Triangle tests feuding Fraser and Kowalski.

Sean and Miranda's relationship is on the rocks, and Gerry feels he has to meddle; Robert wants to punish a student; Simon agrees to donate blood.

When Gerry runs into a distraught Daniel Negreanu, he organizes a staff poker night to help him; things seem to be going well until Wayne Leung ends up winning.

Appa becomes the star of Gerald's photo essay; Umma realizes that her family doesn't completely trust her; Jenny makes a social faux pas.

Appa and Jung try out the old family ping pong table; Umma's feelings get hurt when Janet refuses to hang out with her; a gift basket causes problems.

The case of a murdered sailor, $100 million in gold bullion and a ghost ship in the Great Lakes Triangle tests feuding Fraser and Kowalski.

Sean and Miranda's relationship is on the rocks, and Gerry feels he has to meddle; Robert wants to punish a student; Simon agrees to donate blood.

When Gerry runs into a distraught Daniel Negreanu, he organizes a staff poker night to help him; things seem to be going well until Wayne Leung ends up winning.

Appa becomes the star of Gerald's photo essay; Umma realizes that her family doesn't completely trust her; Jenny makes a social faux pas.

Appa and Jung try out the old family ping pong table; Umma's feelings get hurt when Janet refuses to hang out with her; a gift basket causes problems.

When Matthew Chestnut returns to Cattleman's Ranch, everyone but Louis agrees that he's a bad influence, leaving it up to Jessica, Eddie and Trent to help take him down; Emery and Evan give Marvin a crash course in feminism and etiquette.

Katie and Greg try to drive a wedge between Taylor and her new boyfriend; Greg helps Oliver plan a date with a girl from his ballet class.

Disgusted with his life, Joe leaves town; Brian must grow up and run the airline.

Helen and Joe have very different reactions when former classmate Sandy Cooper (Valerie Mahaffey) wants to re-create prom night with Joe.

Becker suspects his former college roommate (Kelsey Grammer) of swiping his prescription pad during an unannounced visit.

One of Becker's patients appears to be in better health since he began praying; Linda tries to rein in her long-distance relationship.

Hawkeye is overcome by a mysterious bout of nonstop sneezing.

Charles becomes obsessed with death following a sniper attack.

When Calvin and Dave get shown up by Gemma and Marty at a local bar's trivia night, the pair hatch a plan to redeem themselves; a frustrated Tina decides to take matters into her own hands to finally meet Malcolm's girlfriend, Sofia.

Dave puts his professional conflict mediation skills to the test when he offers to help Calvin find out why his employees are quitting.

Jeff urges Audrey to be more creative in the bedroom so he will have better stories to share with Russell and Adam.

Jeff urges Audrey to be more creative in the bedroom so he will have better stories to share with Russell and Adam.

When Matthew Chestnut returns to Cattleman's Ranch, everyone but Louis agrees that he's a bad influence, leaving it up to Jessica, Eddie and Trent to help take him down; Emery and Evan give Marvin a crash course in feminism and etiquette.

Katie and Greg try to drive a wedge between Taylor and her new boyfriend; Greg helps Oliver plan a date with a girl from his ballet class.

Dwight tries to impress Nellie with a theatrical presentation at the Sabre store opening; Andy suffers from an embarrassing injury.

After Robert reveals his contempt for Nellie's (Catherine Tate) business plan, Jim tries to save Dwight's job; Andy discovers that Erin isn't returning to Scranton.

Christy encourages Bonnie to go out with a guy she thinks is great, but he turns out to be not so great after all.

Christy struggles to show compassion to Jodi's boyfriend when he shows up at an AA meeting; Bonnie's boyfriend feels left out because of the time she spends at AA.

When Calvin and Dave get shown up by Gemma and Marty at a local bar's trivia night, the pair hatch a plan to redeem themselves; a frustrated Tina decides to take matters into her own hands to finally meet Malcolm's girlfriend, Sofia.

Dave puts his professional conflict mediation skills to the test when he offers to help Calvin find out why his employees are quitting.

Becker suspects his former college roommate (Kelsey Grammer) of swiping his prescription pad during an unannounced visit.

One of Becker's patients appears to be in better health since he began praying; Linda tries to rein in her long-distance relationship.

Disgusted with his life, Joe leaves town; Brian must grow up and run the airline.

Helen and Joe have very different reactions when former classmate Sandy Cooper (Valerie Mahaffey) wants to re-create prom night with Joe.

Hawkeye is overcome by a mysterious bout of nonstop sneezing.

Charles becomes obsessed with death following a sniper attack.

Dwight tries to impress Nellie with a theatrical presentation at the Sabre store opening; Andy suffers from an embarrassing injury.

After Robert reveals his contempt for Nellie's (Catherine Tate) business plan, Jim tries to save Dwight's job; Andy discovers that Erin isn't returning to Scranton.

Christy encourages Bonnie to go out with a guy she thinks is great, but he turns out to be not so great after all.

Christy struggles to show compassion to Jodi's boyfriend when he shows up at an AA meeting; Bonnie's boyfriend feels left out because of the time she spends at AA.

Jeff urges Audrey to be more creative in the bedroom so he will have better stories to share with Russell and Adam.

Jeff urges Audrey to be more creative in the bedroom so he will have better stories to share with Russell and Adam.

When Calvin and Dave get shown up by Gemma and Marty at a local bar's trivia night, the pair hatch a plan to redeem themselves; a frustrated Tina decides to take matters into her own hands to finally meet Malcolm's girlfriend, Sofia.

Dave puts his professional conflict mediation skills to the test when he offers to help Calvin find out why his employees are quitting.

Appa and Umma search for ways to spice up their love life; Kimchee preps for his first presentation.

Kimchee's mom visits, and Jung looks forward to seeing her; Umma takes over sign duty; Gerald asks Appa for a reference letter, but Janet intervenes.

The case of a murdered sailor, $100 million in gold bullion and a ghost ship in the Great Lakes Triangle tests feuding Fraser and Kowalski.

School staff members participate in a complex trust game that will accidentally reveal some of their darkest secrets; Robert gives a trust exercise that fails when he locks himself in a closet.

Culture Day is being celebrated at the academy and Gerry wants the theme Dwyer has already chosen; Leung confesses that he loves Lisa; Callaghan and Trudy come up with a scheme to avoid Callaghan's ex-wife.

Appa and Umma search for ways to spice up their love life; Kimchee preps for his first presentation.

Kimchee's mom visits, and Jung looks forward to seeing her; Umma takes over sign duty; Gerald asks Appa for a reference letter, but Janet intervenes.

The case of a murdered sailor, $100 million in gold bullion and a ghost ship in the Great Lakes Triangle tests feuding Fraser and Kowalski.

School staff members participate in a complex trust game that will accidentally reveal some of their darkest secrets; Robert gives a trust exercise that fails when he locks himself in a closet.

Culture Day is being celebrated at the academy and Gerry wants the theme Dwyer has already chosen; Leung confesses that he loves Lisa; Callaghan and Trudy come up with a scheme to avoid Callaghan's ex-wife.

Appa and Umma search for ways to spice up their love life; Kimchee preps for his first presentation.

Kimchee's mom visits, and Jung looks forward to seeing her; Umma takes over sign duty; Gerald asks Appa for a reference letter, but Janet intervenes.

Jessica worries about Evan's future as doctor-president; Eddie has decided on Allen Iverson as his "hero" subject for an essay, sending Louis on a mission to prove that he's just as worthy of that title.

Katie takes Oliver out of school for a day after Oliver has a meltdown over something minor; Anna-Kat takes Greg to the park to help him make new friends.

Joe, Brian, Helen and Lowell fly to Boston in search of a good time on a Saturday night.

Fay and Helen get Lowell to play Santa at a children's center.

Mrs. Firth goes overboard with gratitude after Becker performs an uncharacteristic act of kindness toward his neighbor.

Becker's strange behavior leads Linda to believe that he has a serious drug problem.

The sudden illness of a USO singer brings the touring troupe to the 4077th.

The ailing USO singer undergoes emergency surgery as the troupe entertains the camp.

After Calvin enjoys attending a hockey game with Dave, Malcolm and Marty wonder if their neighbor is rubbing off too much on their dad; Tina decides to enjoy the perks that come with her stardom when she's mistaken for an A-list celebrity.

When Calvin decides to film a local TV commercial for his business, he enlists Dave, Tina and Marty to help; Malcolm considers making a grand gesture when his girlfriend, Sofia, is offered her dream job abroad.

Audrey worries that Jeff will drink too much and embarrass himself when he seizes the opportunity to skip a wedding and instead go on an old school night in the town with the guys.

Jeff's worst fears about match-making are realized when his candor foils Audrey and Jennifer's attempt at fixing up two of their friends.

Jessica worries about Evan's future as doctor-president; Eddie has decided on Allen Iverson as his "hero" subject for an essay, sending Louis on a mission to prove that he's just as worthy of that title.

Katie takes Oliver out of school for a day after Oliver has a meltdown over something minor; Anna-Kat takes Greg to the park to help him make new friends.