Actor John Stamos explores his Greek heritage for the first time and discovers an explosive feud that shattered his grandfather's childhood, and also hears firsthand about his family's enduring strength after meeting a relative he never knew.

Ontreon hopes that surgery can make him a better husband to his wife Musa, but he struggles to move past the grief that's blocked him for years; Wess is doing great post-surgery, but his next goal is crucial to his success.

Courteney Cox traces her maternal line back to ambitious and ruthless relatives who plotted and murdered their way to power in medieval times, and she's shocked to discover that her ancestor is one of Europe's most famous characters.

Twins Marlo and Margo return, with Marlo as the bride; in a cruel case of karma, Margo's sass comes out and family drama further escalates upon the revelation of a major secret; bride Val needs a gown for her icy wedding atop an Alaskan glacier.

The arrival of a familiar face threatens to shake up some relationships; a double date lands two men in a compromising position; Barby's relationship with Jacob flourishes; one woman's secret is exposed.

Bride Courtney expects to look at every dress in Kleinfeld until she finds the perfect one; bride Brianna wants a dress inspired by the movie "50 Shades Freed"; bride Angela runs a circus, but doesn't want to look like a performer at the wedding.

A secret relationship is revealed, causing an explosive exit; this revelation inspires the group to get messy to protect their dirty little secrets.

Randy's runway show is a big opportunity to prove he's back as a bridal designer for good; "Gold Rush" star Monica Beets and her colorful family have fun being fish out of water at Kleinfeld; bride Jaqueline and her mom butt heads.

Josh Duhamel (film "London Calling"); Derek Hough ("Dancing With the Stars," "Extra"); a girl and her father, who made headlines after he posted a vulnerable video of himself watching her get several academic awards at her school graduation ceremony.

Harold debates a proposal; Sarah's next date is more than meets the eye; Bruno cooks Monica a romantic dinner; Amber and Victoria meet up to share triumphs and doubts about their matches; Amber anxiously prepares for her romantic getaway with Keavan.

Actor John Stamos explores his Greek heritage for the first time and discovers an explosive feud that shattered his grandfather's childhood, and also hears firsthand about his family's enduring strength after meeting a relative he never knew.

Katarina urges Victoria to think about her future with Darren; Monica's relationship with Bernardo hits a snag; Amber goes on a romantic getaway with Keavan; Harold reveals his grand gesture to Amber; Dolly updates Sarah on how EJ feels about her.

Courteney Cox traces her maternal line back to ambitious and ruthless relatives who plotted and murdered their way to power in medieval times, and she's shocked to discover that her ancestor is one of Europe's most famous characters.

EJ's latest breakup has Sarah's mom questioning his intentions; Amber's best friend grills Harold over dinner; Tony's final match has a lot to say about him and their date; Keavan wagers a bet with Amber.

Twins Marlo and Margo return, with Marlo as the bride; in a cruel case of karma, Margo's sass comes out and family drama further escalates upon the revelation of a major secret; bride Val needs a gown for her icy wedding atop an Alaskan glacier.

Sarah fishes for answers from EJ; Luiza awaits a meeting with Tony; Amber is at odds with Katarina; Monica picks between Bernardo and Bruno.

Bride Courtney expects to look at every dress in Kleinfeld until she finds the perfect one; bride Brianna wants a dress inspired by the movie "50 Shades Freed"; bride Angela runs a circus, but doesn't want to look like a performer at the wedding.

The Pillow Talkers meet up in Kansas for an around-the-world themed watch party! Sarper teaches the group to Turkish dance, Gabe and Tiffany make cocktails using Kenny and Kobe's arms, and Shekinah has a special kiss during a game of snack roulette.

Randy's runway show is a big opportunity to prove he's back as a bridal designer for good; "Gold Rush" star Monica Beets and her colorful family have fun being fish out of water at Kleinfeld; bride Jaqueline and her mom butt heads.

Ethan and Amber arrive back in Cairo after the drama in Boca.

Harold debates a proposal; Sarah's next date is more than meets the eye; Bruno cooks Monica a romantic dinner; Amber and Victoria meet up to share triumphs and doubts about their matches; Amber anxiously prepares for her romantic getaway with Keavan.

Lydia and Zac visit Micah and Veronica at their home hoping to build a better bond before the wedding; Ethan and Isaac have a fun double date with their girlfriends; Veronica stuns Micah in therapy with a scandalous allegation about Teegan.

Katarina urges Victoria to think about her future with Darren; Monica's relationship with Bernardo hits a snag; Amber goes on a romantic getaway with Keavan; Harold reveals his grand gesture to Amber; Dolly updates Sarah on how EJ feels about her.

With Lydia and Zac's upcoming nuptials, discontent grows amongst the Plaths. Kim and Isaac struggle to see past Zac's red flags. Veronica'sunexpected attendance has everyone on edge, and Ethan makes a dramatic exit.

EJ's latest breakup has Sarah's mom questioning his intentions; Amber's best friend grills Harold over dinner; Tony's final match has a lot to say about him and their date; Keavan wagers a bet with Amber.

Zac and Lydia finally say I do and share their first kiss; tensions continue to simmer at the wedding; an unexpected confrontation leaves Lydia and Zac at odds with Ethan and Isaac; with bonus scenes.

After a romantic double date, Amber and Victoria come to doubt their relationships; Sarah wants answers from EJ; Harold finds the courage to tell Amber his wishes; Monica has second thoughts.

With bonus scenes -- Jenny and Sumit's family business is off to a rocky start. Luke's bachelor party gets racy. Johny hopes Chloe is ready to settle down.Anthony and Manon clash as they head to France.

Ethan and Amber arrive back in Cairo after the drama in Boca.

Zac and Lydia finally say I do and share their first kiss; tensions continue to simmer at the wedding; an unexpected confrontation leaves Lydia and Zac at odds with Ethan and Isaac; with bonus scenes.

With Lydia and Zac's upcoming nuptials, discontent grows amongst the Plaths. Kim and Isaac struggle to see past Zac's red flags. Veronica'sunexpected attendance has everyone on edge, and Ethan makes a dramatic exit.

After a romantic double date, Amber and Victoria come to doubt their relationships; Sarah wants answers from EJ; Harold finds the courage to tell Amber his wishes; Monica has second thoughts.

Zac and Lydia finally say I do and share their first kiss; tensions continue to simmer at the wedding; an unexpected confrontation leaves Lydia and Zac at odds with Ethan and Isaac; with bonus scenes.

With bonus scenes -- Jenny and Sumit's family business is off to a rocky start. Luke's bachelor party gets racy. Johny hopes Chloe is ready to settle down.Anthony and Manon clash as they head to France.

After a romantic double date, Amber and Victoria come to doubt their relationships; Sarah wants answers from EJ; Harold finds the courage to tell Amber his wishes; Monica has second thoughts.

With bonus scenes -- Jenny and Sumit's family business is off to a rocky start. Luke's bachelor party gets racy. Johny hopes Chloe is ready to settle down.Anthony and Manon clash as they head to France.

The group takes a field trip to the beach for some romance and fun in the sun, until surprise arrivals turn everything upside-down.

The women are put to the test on who they want to further their relationship with, causing competition with the guys; a surprise elimination rocks the house.

Multiplatinum recording artist mgk joins Jennifer to chat about his recently released album "Lost Americana."Guests: Machine Gun Kelly..

A young couple from rival gypsy clans prepares to wed, but the mother is unwilling to accept her soon to be daughter in law.

Trouble and her fiancé may not get their dream biker-themed wedding because of their fierce, feuding mothers; Alanna's eighth birthday party spirals into an epic battle between her American and Russian family members.

Maquayla can't wait to wear her dream wedding gown, but disaster strikes when it arrives; Mom plans to use Yazzie's birthday party to marry her off, but things take a turn when her boyfriend makes an appearance.

Christine reveals she's hired a matchmaker; Meri makes plans to move her business but worries about how Robyn will take the news; Janelle meets with Kody for the first time since their huge fight and asks if he still wants a plural marriage.

Janelle meets with Christine and reveals that she doesn't want to be married anymore; Meri nervously tells Robyn that she's moving her clothing business to Parowan, Utah, and will spend less time in Flagstaff, believing Kody is done with her.

Kody takes Janelle out for her birthday and talks about wanting to start over; Meri reveals to Kody that she's moving her clothing business to Utah but not giving up on their relationship, and his reaction is worse than she expected.

Colt arrives in Canada to reveal the status of his marriage to Debbie; Jeniffer catches up with her old flame, Cacua; Tim embraces a new look; Matthew and Ana make a spontaneous decision to get married.

David and Annie contemplate having their baby in Thailand; Sophie is ready to move on from Rob; Brian wants to make things official with a new woman in his life; Luke and Madelein celebrate another year apart.

Amid financial troubles, Sumit wants him and Jenny to move in with his parents; Steven and Olga consider splitting up for good; Jamal meets up with Rob and Josh in Vegas before breaking news to Kim; Usman records a new hit song.

Matt drops a bombshell on Jasmine that will have her uprooting her life; Gino and Natalie's relationship takes a turn; Darcey faces her in-laws; Kara and Guillermo contemplate next moves; Julia confronts Betty and Ron.

Patrick and John, Kalani and Kolini, Emily and Kobe and Kim and Jamal are watching along, and no one is holding back.

Kim and Jamal, Emily and Kobe and Kalani, Kolini, Patrick and John are watching along the episode, and no one is holding back!

Elizabeth and Loren meet up to discuss their differences post puppy party; Kara and Guillermo make a final decision on their relationship; Jasmine comes clean to Gino about a big upcoming life change; with bonus scenes.

Brandon and Julia make a major life decision to the dismay of Ron and Betty; Stacey and Florian arrive for Darcey and Georgi's Bulgarian anniversary party; Matt and Jasmine learn the gender of their baby.

After a romantic double date, Amber and Victoria come to doubt their relationships; Sarah wants answers from EJ; Monica has second thoughts.

Brandon and Julia make a major life decision to the dismay of Ron and Betty; Stacey and Florian arrive for Darcey and Georgi's Bulgarian anniversary party; Matt and Jasmine learn the gender of their baby.

Elizabeth and Loren meet up to discuss their differences post puppy party; Kara and Guillermo make a final decision on their relationship; Jasmine comes clean to Gino about a big upcoming life change; with bonus scenes.

Brandon and Julia make a major life decision to the dismay of Ron and Betty; Stacey and Florian arrive for Darcey and Georgi's Bulgarian anniversary party; Matt and Jasmine learn the gender of their baby.

After a romantic double date, Amber and Victoria come to doubt their relationships; Sarah wants answers from EJ; Monica has second thoughts.

Brandon and Julia make a major life decision to the dismay of Ron and Betty; Stacey and Florian arrive for Darcey and Georgi's Bulgarian anniversary party; Matt and Jasmine learn the gender of their baby.

New MILFs arrive, threatening connections and casting doubt in relationships; when the challenge winners can ask anyone on a double date, their choices rock the manor; a love triangle gets complicated for one MILF, and sparks fly for another.

A sexy body painting date sparks new connections and leaves one woman feeling the sting of rejection; an intimate bubble bath leads one couple to their first kiss; for the next challenge, the men are caught with their pants down.

A pianist's finger goes missing after getting accidentally sawed off; a man's pacemaker threatens to kill him; a man behaves bizarrely.

A woman's face-lift goes terribly wrong; a hospital chaplain's sudden personality change; a pregnant woman's life-threatening symptoms need urgent treatment.

A college student's face covered in a plaster mask; a stroke patient's heart keeps stopping and restarting without intervention.

A college student finds out she is pregnant when she is rushed to the emergency room.

A 20-year old woman suffers abdominal pain while at work; while waiting it out she realizes she is delivering a baby.

Back pain is typical for Andrea, but when she starts bleeding severely, she must call 911.

Christie suddenly experiences pain at work; her mother makes a shocking discovery at a gas station on the way to the emergency room.

EJ's latest breakup has Sarah's mom questioning his intentions; Amber's best friend grills Harold over dinner; Tony's final match has a lot to say about him and their date; Keavan wagers a bet with Amber.

Sarah fishes for answers from EJ; Luiza awaits a meeting with Tony; Amber is at odds with Katarina; Monica picks between Bernardo and Bruno.

After a romantic double date, Amber and Victoria come to doubt their relationships; Sarah wants answers from EJ; Monica has second thoughts.

Chloe trades Boston luxury for Johny's pirate life in Aruba; Manon risks it all returning to France for Anthony; Luke heads to Colombia to wed Madelein; Jenny and Sumit face a new challenge living under his parents' roof.

Jenny and Sumit's family business is off to a rocky start. Luke's bachelor party gets racy. Johny hopes Chloe is ready to settle down.Greta frets about living with Matthew and his parents in the UK. Anthony and Manon clash as they head to France.

Ethan and Amber arrive back in Cairo after the drama in Boca.

Lydia and Zac visit Micah and Veronica at their home hoping to build a better bond before the wedding; Ethan and Isaac have a fun double date with their girlfriends; Veronica stuns Micah in therapy with a scandalous allegation about Teegan.

With Lydia and Zac's upcoming nuptials, discontent grows amongst the Plaths. Kim and Isaac struggle to see past Zac's red flags. Veronica'sunexpected attendance has everyone on edge, and Ethan makes a dramatic exit.

Zac and Lydia finally say 'I do' and share their first kiss; an unexpected confrontation leaves Lydia and Zac at odds with Ethan and Isaac.

Phil finally agrees to sell the old station wagon but only after a family trip down memory lane; Cameron asks Jay for help when Mitchell decides to build a life-size princess castle for Lily.

Gloria decides to honor her late grandmother by cooking more traditional Colombian meals; Claire finds out Alex is interested in a boy; Mitchell's aversion to public displays of affection causes an argument.

When an earthquake hits, Claire gets stuck in the bathroom with the plumber; Manny experiences an existential crisis while out with Jay; Mitchell and Cameron use the quake as an excuse to get out of a party thrown by a friend (Nathan Lane).

Claire and Mitchell try to spare their significant others from embarrassment; Haley tries to teach Alex how to be cool.

With Lydia and Zac's upcoming nuptials, discontent grows amongst the Plaths. Kim and Isaac struggle to see past Zac's red flags. Veronica'sunexpected attendance has everyone on edge, and Ethan makes a dramatic exit.

Zac and Lydia finally say 'I do' and share their first kiss; an unexpected confrontation leaves Lydia and Zac at odds with Ethan and Isaac.

Phil finally agrees to sell the old station wagon but only after a family trip down memory lane; Cameron asks Jay for help when Mitchell decides to build a life-size princess castle for Lily.

Gloria decides to honor her late grandmother by cooking more traditional Colombian meals; Claire finds out Alex is interested in a boy; Mitchell's aversion to public displays of affection causes an argument.

When an earthquake hits, Claire gets stuck in the bathroom with the plumber; Manny experiences an existential crisis while out with Jay; Mitchell and Cameron use the quake as an excuse to get out of a party thrown by a friend (Nathan Lane).

Claire and Mitchell try to spare their significant others from embarrassment; Haley tries to teach Alex how to be cool.

Barby and Chris go on a dream date and talk about the future; a truth or dare game tests everyone's limits, and Crystal confronts Stacy; Lannette retreats after a shock; Kelle's clash with Rebecca leads to an early exit.