Team members become pawns in the fantasy game of a psychopathic killer, who challenges them to unravel a series of clues in hope of saving his next victim.

The BAU team investigates the mass murder of college students, similar to wartime methods used by an Indian tribe long ago.

A series of murders in Manhattan seems random at first, then the police fear that a serial killer may be copying the crimes of another decades earlier.

Dr. Reid falls for a Hollywood starlet at the center of a murder investigation.

Trans-Air Service Flight 671 suffers an in-flight separation of its two right engines while en route to Kano, Nigeria, forcing the pilots to make an emergency landing at Istres-Le Tubé Air Base in France.

Fifteen minutes after taking off from Puerto Vallarta for San Francisco, the pilots of an MD-83 realize something is very wrong with their plane.

After a Boeing 727's near-fatal nosedive over Michigan, investigators risk their own lives to determine what caused the aircraft to lose control.

The team works on unraveling a psychopath's clues in hope of saving his most recent victim, as one member of the group struggles for life.

Gideon, Hotchner and the team race to prevent a child pornographer from auctioning a boy online.

Gideon, Hotchner and their team suspect a series of murders may have been committed by two individuals working as a team.

The team must profile a bank robber who forces victims to undress before leaving the scene.

The profilers investigate a serial rapist; Elle makes a critical decision that could let the rapist go free and impact her career.

Team members interrogate community members in a small town after two children are murdered in two weeks.

The BAU looks to outsiders for clues when three college athletes disappear the night of a pep rally; J.J. is instrumental in moving the case forward.

The unit is called into action when a serial bomber terrorizes Seattle.

The daughter of high-powered diplomats must battle suspicions of nepotism when her assignment to the unit takes place without notification to Hotch or Gideon.

The BAU goes to Guantanamo Bay to interrogate the leader of a terrorist sleeper-cell to prevent a national disaster.

Wardens monitor hunters who try to start the big game hunting season early; a landowner chooses to press charges against a trespassing hunter; the warden catches a hunter lying, with ballistics evidence to back it up.

Marty re-rescues the Broadhead family, whose Ohio home was made from 30,000 tires and faces major new structural issues; taking on a big challenge with limited time, Marty must restore a settling berm and construct a concrete storm.

Zak Bagans sends his team to investigate otherworldly portals at a Malaysia mansion and a cursed cemetery in Chile.

It's the final day of Bering Sea Gold's most difficult ice season; Shawn makes one more dive to try and hit his goal; young gun Chris races all-out for his biggest cleanup yet; Vern relies on diver Gary to secure their ambitious summer plans.

Marty re-rescues the Broadhead family, whose Ohio home was made from 30,000 tires and faces major new structural issues; taking on a big challenge with limited time, Marty must restore a settling berm and construct a concrete storm.

Zak Bagans sends his team to investigate otherworldly portals at a Malaysia mansion and a cursed cemetery in Chile.

Trans-Air Service Flight 671 suffers an in-flight separation of its two right engines while en route to Kano, Nigeria, forcing the pilots to make an emergency landing at Istres-Le Tubé Air Base in France.

Fifteen minutes after taking off from Puerto Vallarta for San Francisco, the pilots of an MD-83 realize something is very wrong with their plane.

After a Boeing 727's near-fatal nosedive over Michigan, investigators risk their own lives to determine what caused the aircraft to lose control.

Chalk's Ocean Airways flight 101 crashes just after take-off from Watson Island in Miami on December 19, 2005, killing 20 people.

A polar vortex brings extreme cold and brutal working conditions to truck drivers and heavy wrecker operators on The Coq; Colin fights to recover a frozen rig; Cam finds himself in a dilemma with one of Jamie's classic wreckers.

A terrifying crash involving one of their own shocks Team Reliable; Dylan and Merv pair up to lift a heavy load of steel pilings off a highway; Cam races to rescue a fellow tow operator stuck on a blind corner.

Louis offers Mike a future-changing case; Harvey and Jessica work together to bring down an old nemesis.

Cameron has Harvey's client arrested for murder; Katrina tries to win over Louis; a British version of Harvey arrives at the firm.

Lindsay is injured during the attempted murder of a political candidate, leaving the rest of the team to pursue the shooter.

Mac takes another look at a 20-year-old case involving a missing boy when the prime suspect is murdered; Flack tries to face his lingering issues.

Louis offers Mike a future-changing case; Harvey and Jessica work together to bring down an old nemesis.

Cameron has Harvey's client arrested for murder; Katrina tries to win over Louis; a British version of Harvey arrives at the firm.

Lindsay is injured during the attempted murder of a political candidate, leaving the rest of the team to pursue the shooter.

Mac takes another look at a 20-year-old case involving a missing boy when the prime suspect is murdered; Flack tries to face his lingering issues.

A polar vortex brings extreme cold and brutal working conditions to truck drivers and heavy wrecker operators on The Coq; Colin fights to recover a frozen rig; Cam finds himself in a dilemma with one of Jamie's classic wreckers.

A terrifying crash involving one of their own shocks Team Reliable; Dylan and Merv pair up to lift a heavy load of steel pilings off a highway; Cam races to rescue a fellow tow operator stuck on a blind corner.

Chalk's Ocean Airways flight 101 crashes just after take-off from Watson Island in Miami on December 19, 2005, killing 20 people.

In the Pacific Northwest, Jared Douglas and his logging crew risk life and limb to harvest some of the planet's most remote and valuable trees; however, getting these giants from the forest to market is deadly.

Horrors await Zak Bagans' team when they explore two islands; in Singapore, a lush jungle paradise harbors a vengeful spirit; in Canada, miners may have unleashed evil on a small town.

The team investigates reports of what some believe is a government conspiracy: the Dogman; this half-wolf, half-man monster is said to stalk the Michigan wilderness, and some even say this creature was created by the US military.

Louis offers Mike a future-changing case; Harvey and Jessica work together to bring down an old nemesis.

Cameron has Harvey's client arrested for murder; Katrina tries to win over Louis; a British version of Harvey arrives at the firm.

In the Pacific Northwest, Jared Douglas and his logging crew risk life and limb to harvest some of the planet's most remote and valuable trees; however, getting these giants from the forest to market is deadly.

Horrors await Zak Bagans' team when they explore two islands; in Singapore, a lush jungle paradise harbors a vengeful spirit; in Canada, miners may have unleashed evil on a small town.

The team investigates reports of what some believe is a government conspiracy: the Dogman; this half-wolf, half-man monster is said to stalk the Michigan wilderness, and some even say this creature was created by the US military.

Lindsay is injured during the attempted murder of a political candidate, leaving the rest of the team to pursue the shooter.

Mac takes another look at a 20-year-old case involving a missing boy when the prime suspect is murdered; Flack tries to face his lingering issues.

When a private Learjet veers onto an unplanned trajectory en route to Dallas from Orlando, it's clear something has gone terribly wrong.

Mitch discovers a massive wreck involving two semis; Reliable and Aggressive Towing join forces to recover a pair of entangled 18-wheelers; a tippy trailer abandoned on a soft shoulder tests Jamie; Gord finds himself in deep in a peat bog.

Brandon and Cam team up to rescue a lumber truck tangled in a rock face on Highway 3; Al digs out a buried semi on a notorious corner on The Coq; a tractor fire puts James in the hot seat.

Mike and Harvey are certain of Ava's innocence as the trial continues. Katrina and Mike try to stop the Gianapolis takeover.

Harvey and Jessica want Tony to buy Hessington Oil and reinstate Ava, in return for his testimony against Cameron.

The team is thrust into a twisted fairy tale when a woman dressed in a ball gown is found at the bottom of a pond in Central Park.

When a psychiatrist's (Tara Summers) patients are systematically murdered, the CSIs are forced to play a game as they pursue the killer.

Mike and Harvey are certain of Ava's innocence as the trial continues. Katrina and Mike try to stop the Gianapolis takeover.

Harvey and Jessica want Tony to buy Hessington Oil and reinstate Ava, in return for his testimony against Cameron.

The team is thrust into a twisted fairy tale when a woman dressed in a ball gown is found at the bottom of a pond in Central Park.

When a psychiatrist's (Tara Summers) patients are systematically murdered, the CSIs are forced to play a game as they pursue the killer.

Mitch discovers a massive wreck involving two semis; Reliable and Aggressive Towing join forces to recover a pair of entangled 18-wheelers; a tippy trailer abandoned on a soft shoulder tests Jamie; Gord finds himself in deep in a peat bog.

Brandon and Cam team up to rescue a lumber truck tangled in a rock face on Highway 3; Al digs out a buried semi on a notorious corner on The Coq; a tractor fire puts James in the hot seat.

When a private Learjet veers onto an unplanned trajectory en route to Dallas from Orlando, it's clear something has gone terribly wrong.

An intoxicated woman surprises a warden when she reveals she's pregnant, then friends have to come pick her up and drive her car home.

Parker puts it all on the line when he buys Dominion Creek; the Beets family erupts into chaos when the eldest son, Kevin, takes the year off; after disappearing for a year, Rick Ness tries to pull off a longshot comeback.

Freddy and Juan deliver a mining masterclass, revealing their unique way of solving mechanical and historical puzzles. They revisit their most ingenious fixes and show how they approach problem-solving at every part of the mining process.

Mike and Harvey are certain of Ava's innocence as the trial continues. Katrina and Mike try to stop the Gianapolis takeover.

Harvey and Jessica want Tony to buy Hessington Oil and reinstate Ava, in return for his testimony against Cameron.

An intoxicated woman surprises a warden when she reveals she's pregnant, then friends have to come pick her up and drive her car home.

Parker puts it all on the line when he buys Dominion Creek; the Beets family erupts into chaos when the eldest son, Kevin, takes the year off; after disappearing for a year, Rick Ness tries to pull off a longshot comeback.

Freddy and Juan deliver a mining masterclass, revealing their unique way of solving mechanical and historical puzzles. They revisit their most ingenious fixes and show how they approach problem-solving at every part of the mining process.

The team is thrust into a twisted fairy tale when a woman dressed in a ball gown is found at the bottom of a pond in Central Park.

When a psychiatrist's (Tara Summers) patients are systematically murdered, the CSIs are forced to play a game as they pursue the killer.

On September 11, 2001, hijackers fly American Airlines Flight 77 into the Pentagon, while in New York, jetliners hit the World Trade Center.

Near Hope, B.C., a burning truck hauling frozen chicken has Cam and Jamie in a race to move the smoky hazard off the highway; a flipped logging truck near Merritt turns into a tussle for Mitch and James.

A lost load of lumber pulls Jamie and Colin Mclean into a battle on the banks of B.C.'s Skagit River; Al takes a chance with Big Green to rescue a sinking excavator; James and Rooster wrestle a twisted wreck near Merritt.

Cameron continues to use dodgy tactics on Ava's case; Rachel visits law schools; Mike reflects on the past.

Harvey and Stephen clash over Ava's case; Harvey and Jessica strategize; Louis gets Rachel's help with a broken contract.

A student from an elite prep school is murdered; Lindsay returns to Montana to visit her dad and face past issues.

When Detective Lovato's cover is accidentally blown, the team investigates the Latin gang she infiltrated.

Cameron continues to use dodgy tactics on Ava's case; Rachel visits law schools; Mike reflects on the past.

Harvey and Stephen clash over Ava's case; Harvey and Jessica strategize; Louis gets Rachel's help with a broken contract.

A student from an elite prep school is murdered; Lindsay returns to Montana to visit her dad and face past issues.

When Detective Lovato's cover is accidentally blown, the team investigates the Latin gang she infiltrated.

Near Hope, B.C., a burning truck hauling frozen chicken has Cam and Jamie in a race to move the smoky hazard off the highway; a flipped logging truck near Merritt turns into a tussle for Mitch and James.

A lost load of lumber pulls Jamie and Colin Mclean into a battle on the banks of B.C.'s Skagit River; Al takes a chance with Big Green to rescue a sinking excavator; James and Rooster wrestle a twisted wreck near Merritt.

On September 11, 2001, hijackers fly American Airlines Flight 77 into the Pentagon, while in New York, jetliners hit the World Trade Center.

Cody's eagerness to prove himself becomes a liability as he gets trapped down a mine shaft; just as they're making progress at their crumbling, fault-riddled mine, The Bushmen are blindsided by a digger failure.

Mark and Digger spot their liquor thief on camera as Tickle, Josh and Henry strike gold in Philadelphia with their Peach-Rye recipe; Mike adds insult to injury when he buys out Mark Roger's sugar supplier, pushing the backwoods shiner to the brink.

Merv helps Abbotsford Police deal with a wreck on the vital Highway 11 route to the U.S. border; Team Reliable battles a twisted lumber b-train shutting down Highway 7; MSA's Kirpal works with his son Gurk to rescue a semi tipping into a ditch.

Cameron continues to use dodgy tactics on Ava's case; Rachel visits law schools; Mike reflects on the past.

Harvey and Stephen clash over Ava's case; Harvey and Jessica strategize; Louis gets Rachel's help with a broken contract.

Cody's eagerness to prove himself becomes a liability as he gets trapped down a mine shaft; just as they're making progress at their crumbling, fault-riddled mine, The Bushmen are blindsided by a digger failure.

Mark and Digger spot their liquor thief on camera as Tickle, Josh and Henry strike gold in Philadelphia with their Peach-Rye recipe; Mike adds insult to injury when he buys out Mark Roger's sugar supplier, pushing the backwoods shiner to the brink.

Merv helps Abbotsford Police deal with a wreck on the vital Highway 11 route to the U.S. border; Team Reliable battles a twisted lumber b-train shutting down Highway 7; MSA's Kirpal works with his son Gurk to rescue a semi tipping into a ditch.

A student from an elite prep school is murdered; Lindsay returns to Montana to visit her dad and face past issues.

When Detective Lovato's cover is accidentally blown, the team investigates the Latin gang she infiltrated.

Two 747s collide on the tarmac in Tenerife in what remains the single deadliest aviation accident of all time.

After surviving a near-fatal heart attack, Ken leads the Mission crew on its most daunting recovery in years; lodged in the trees, 200 feet below a mountain road, the damaged dump truck pushes Ken's team to the edge of disaster.

Jamie and his tow brothers discuss some of their toughest backroad adventures; Al, Ken, Jason and Mitch swap tales and share advice on some of their most spectacular off-road recoveries.

As the murder trial begins, Harvey, Mike and Jessica fight betrayal; Louis and Donna want to even the score.

Trust issues are brought to the forefront; Harvey and Scottie battle again; Louis wants to handle the dissolution talks; Mike wants to move forward in his relationship with Rachel.

The team investigates at a speak-easy when one of its owners is murdered and $10,000 disappears; Adam has an unusual day off.

When two victims are linked by a very unusual weapon, the CSI team tries to solve the puzzling mystery.

As the murder trial begins, Harvey, Mike and Jessica fight betrayal; Louis and Donna want to even the score.

Trust issues are brought to the forefront; Harvey and Scottie battle again; Louis wants to handle the dissolution talks; Mike wants to move forward in his relationship with Rachel.

The team investigates at a speak-easy when one of its owners is murdered and $10,000 disappears; Adam has an unusual day off.

When two victims are linked by a very unusual weapon, the CSI team tries to solve the puzzling mystery.

After surviving a near-fatal heart attack, Ken leads the Mission crew on its most daunting recovery in years; lodged in the trees, 200 feet below a mountain road, the damaged dump truck pushes Ken's team to the edge of disaster.

Jamie and his tow brothers discuss some of their toughest backroad adventures; Al, Ken, Jason and Mitch swap tales and share advice on some of their most spectacular off-road recoveries.

Two 747s collide on the tarmac in Tenerife in what remains the single deadliest aviation accident of all time.

With unprecedented access, Josh digs in front of Petra's treasury; searching for clues to the mysterious civilization that created one of the new Seven Wonders of the World, Josh rappels a seven-story cliff face to perform a high-tech scan.

Duane and Chad Ollinger return to Blind Frog Ranch to lay out their plan of attack to find the Aztec treasure they believe is hidden underground; experts analyze the evidence that has been uncovered so far.

Gold prospectors risk their dreams and futures in pursuit of the ultimate golden reward.

As the murder trial begins, Harvey, Mike and Jessica fight betrayal; Louis and Donna want to even the score.

Trust issues are brought to the forefront; Harvey and Scottie battle again; Louis wants to handle the dissolution talks; Mike wants to move forward in his relationship with Rachel.

With unprecedented access, Josh digs in front of Petra's treasury; searching for clues to the mysterious civilization that created one of the new Seven Wonders of the World, Josh rappels a seven-story cliff face to perform a high-tech scan.

Duane and Chad Ollinger return to Blind Frog Ranch to lay out their plan of attack to find the Aztec treasure they believe is hidden underground; experts analyze the evidence that has been uncovered so far.

Gold prospectors risk their dreams and futures in pursuit of the ultimate golden reward.

The team investigates at a speak-easy when one of its owners is murdered and $10,000 disappears; Adam has an unusual day off.

When two victims are linked by a very unusual weapon, the CSI team tries to solve the puzzling mystery.

As China Airlines Flight 120 touches down in Okinawa, Japan, it erupts in flames. There are no injuries, but troubling questions are raised.

The season's first snowstorm paralyzes the Coquihalla Summit, launching Al Quiring and Gord Boyd into battle; Jamie Davis and a new operator from Ireland tackle a torn-up semi on a dangerous corner.

A rolled logging truck launches Jamie Davis and his heavy wreckers to a remote crash site in British Columbia; Reliable Towing's James Luke scrambles to disconnect a flaming tractor from it's trailer and is assisted by a surprising new hire.

An old nemesis returns; Harvey and Scottie are on opposing sides again; Louis ends up in Sheila's crosshairs; Mike and Rachel are under Jessica's scrutiny.

Harvey is caught between Jessica and Scottie; Mike is plagued by painful memories; Louis' suspicions threaten to expose Mike.

When a popular off-duty police officer is slain during a robbery, the CSI team tries to elicit the truth from their suspects.

The team investigates when a masked man is found at the bottom of a skyscraper with a history of mysterious deaths.

An old nemesis returns; Harvey and Scottie are on opposing sides again; Louis ends up in Sheila's crosshairs; Mike and Rachel are under Jessica's scrutiny.

Harvey is caught between Jessica and Scottie; Mike is plagued by painful memories; Louis' suspicions threaten to expose Mike.

When a popular off-duty police officer is slain during a robbery, the CSI team tries to elicit the truth from their suspects.

The team investigates when a masked man is found at the bottom of a skyscraper with a history of mysterious deaths.

The season's first snowstorm paralyzes the Coquihalla Summit, launching Al Quiring and Gord Boyd into battle; Jamie Davis and a new operator from Ireland tackle a torn-up semi on a dangerous corner.

A rolled logging truck launches Jamie Davis and his heavy wreckers to a remote crash site in British Columbia; Reliable Towing's James Luke scrambles to disconnect a flaming tractor from it's trailer and is assisted by a surprising new hire.

As China Airlines Flight 120 touches down in Okinawa, Japan, it erupts in flames. There are no injuries, but troubling questions are raised.

Calculating thieves target a family making a special jewelry purchase; gas stations turn into danger zones when criminals attack innocent drivers at the pump; tire-slashing crooks cause havoc; a remarkably calm clerk stands up to an armed robber.

Good Samaritans rescue a police officer under attack; bystanders help a young victim of human trafficking; when criminals try to escape, surprise heroes step in to save the day.

Extraordinary cases of women who repay a parent's unconditional love with cold-hearted betrayal.

In Georgia, a county commissioner begins firing at police officers in a retirement village; in Florida, officers search for a wanted fugitive who they suspect carries a machete; in Wisconsin, a hostage situation results in an intense police standoff.

An old nemesis returns; Harvey and Scottie are on opposing sides again; Louis ends up in Sheila's crosshairs; Mike and Rachel are under Jessica's scrutiny.

Harvey is caught between Jessica and Scottie; Mike is plagued by painful memories; Louis' suspicions threaten to expose Mike.

Calculating thieves target a family making a special jewelry purchase; gas stations turn into danger zones when criminals attack innocent drivers at the pump; tire-slashing crooks cause havoc; a remarkably calm clerk stands up to an armed robber.

Good Samaritans rescue a police officer under attack; bystanders help a young victim of human trafficking; when criminals try to escape, surprise heroes step in to save the day.

Extraordinary cases of women who repay a parent's unconditional love with cold-hearted betrayal.

In Georgia, a county commissioner begins firing at police officers in a retirement village; in Florida, officers search for a wanted fugitive who they suspect carries a machete; in Wisconsin, a hostage situation results in an intense police standoff.

When a popular off-duty police officer is slain during a robbery, the CSI team tries to elicit the truth from their suspects.

The team investigates when a masked man is found at the bottom of a skyscraper with a history of mysterious deaths.

An armored truck rolls over on the 401; Kim Reid's crew deals with a toppled trailer in a risky spot; Ross Services handles a tanker full of gasoline; Gary and Collin have conflicting ideas about getting a badly compromised trailer back to the road.

Chad Grenier deals with a spun-out tractor; Bill Wright brings his new rotator to a dangerous corner of the 401; the Herb's Towing crew faces a major challenge when a semi barrels across both sides of the highway.

A heavy crew must remove a load of industrial glass panels from a buckled trailer; a double wreck pushes crews into a tense race; Gary gives a rookie operator the chance to learn the ropes at a difficult scene.

Eric and Senior work to coax a semi back on the road.

When a transport rolls on a dangerous curve, John Campbell needs to master his new rotator in a hurry; Duncan Cooper and crew take on a full load of medical supplies dumped on the side of the highway.

Sonny pushes his small wrecker to its limit; a load of buttermilk spurs a messy cleanup; the newest member of Andrew's crew gets to prove her worth against a badly mangled wreck.

Herb takes a break from retirement to help the crew wrangle a huge and heavy job; an OPP constable makes a very unusual traffic stop; the Preferred team confronts a challenge that even Gary has never seen before.

Dr. Spencer Reid suspects that a young man who has reached out to him for help may be a serial killer.

The BAU team must delve into Morgan's past to prove his innocence when he is arrested on a charge of murder in Chicago.

The BAU team goes head-to-head with a serial killer (Keith Carradine) who has tortured and killed more than 100 people over 30 years.

The BAU team investigates a wealthy couple's murder at their home following a Super Bowl party; someone places a 911 call quoting Bible passages seconds before the murders.

A sadistic serial killer kidnaps and tortures Reid and broadcasts the ordeal over the Internet.

In an upscale New York neighborhood, the team investigates racial motivation as a factor before fallout from killings can escalate.

The team goes to Houston to investigate a series of seemingly random murders at construction sites; the team notices a distinct change in Reid's demeanor.

Dr. Spencer Reid suspects that a young man who has reached out to him for help may be a serial killer.

The BAU team must delve into Morgan's past to prove his innocence when he is arrested on a charge of murder in Chicago.

The BAU team goes head-to-head with a serial killer (Keith Carradine) who has tortured and killed more than 100 people over 30 years.

The BAU team investigates a wealthy couple's murder at their home following a Super Bowl party; someone places a 911 call quoting Bible passages seconds before the murders.

A sadistic serial killer kidnaps and tortures Reid and broadcasts the ordeal over the Internet.

In an upscale New York neighborhood, the team investigates racial motivation as a factor before fallout from killings can escalate.

The team goes to Houston to investigate a series of seemingly random murders at construction sites; the team notices a distinct change in Reid's demeanor.

Dr. Spencer Reid suspects that a young man who has reached out to him for help may be a serial killer.

The BAU team must delve into Morgan's past to prove his innocence when he is arrested on a charge of murder in Chicago.

The BAU team goes head-to-head with a serial killer (Keith Carradine) who has tortured and killed more than 100 people over 30 years.

In November of 1995, American Airlines flight 1572 clips the tops of trees along Peak Mountain Ridge and strikes an instrument landing system antenna at Bradley International Airport in Hartford, Conn.

In 1983, Air Illinois Flight 710 crashes into an open pasture area in poor weather while en route to Southern Illinois Airport, killing all 10 people on board; the cause of the crash was the pilots' mismanagement of an electrical problem.

After a turboprop crashes in North Carolina, investigators resort to a risky test flight and uncover an industry-wide safety problem.

The team goes to New Orleans to find a perpetrator who has resumed killing after a 15-month break; Reid struggles with the effects of being a hostage.

The team tracks an arsonist through a radical environmental group that uses fire to spread its message.

The Behavior Analysis Unit must help find a kidnapped Russian immigrant.

After determining that victims were transported deep into woods, the Behavioral Analysis Unit discovers that the perpetrators have a new sport.

The team travels to Kansas City to investigate a report of homeless people disappearing from the city's streets.

When Gideon tries to find his nemesis without telling the Behavioral Analysis Unit, the team must profile him as a suspect to find them both.

After shutting down a campus, the BAU team creates a profile of a perpetrator; the team has doubts after taking a suspect into custody.

The team pursues a serial killer in Milwaukee, with three fewer members since Hotch asked to be transferred, Prentiss quit, and Gideon is missing.

The team tracks down a serial killer, a psychiatrist who discovers his victims' worst fears, then uses the information to murder them.

The team believes that two suspects may be working together on a series of home invasions and murders occurring in a Denver suburb.

An intoxicated woman surprises a warden when she reveals she's pregnant, then friends have to come pick her up and drive her car home.

Farmsteaders in Iowa are on the verge of losing the legacy of their late father; the Raneys must quickly give them an off-grid masterclass and help them complete one of the most unique rescues.

Horrors await Zak Bagans' team when they explore two islands; in Singapore, a lush jungle paradise harbors a vengeful spirit; in Canada, miners may have unleashed evil on a small town.

In the Pacific Northwest, Jared Douglas and his logging crew risk life and limb to harvest some of the planet's most remote and valuable trees; getting these giants from the forest to market is deadly.

Farmsteaders in Iowa are on the verge of losing the legacy of their late father; the Raneys must quickly give them an off-grid masterclass and help them complete one of the most unique rescues.

Horrors await Zak Bagans' team when they explore two islands; in Singapore, a lush jungle paradise harbors a vengeful spirit; in Canada, miners may have unleashed evil on a small town.

In November of 1995, American Airlines flight 1572 clips the tops of trees along Peak Mountain Ridge and strikes an instrument landing system antenna at Bradley International Airport in Hartford, Conn.

In 1983, Air Illinois Flight 710 crashes into an open pasture area in poor weather while en route to Southern Illinois Airport, killing all 10 people on board; the cause of the crash was the pilots' mismanagement of an electrical problem.

After a turboprop crashes in North Carolina, investigators resort to a risky test flight and uncover an industry-wide safety problem.

Proteus Airlines Flight 706 explodes as it completes a sightseeing loop.

Ken Duperon is on his first job since his heart attack; a familiar face switches teams and leads Reliable Towing on a major recovery.

A raging truck fire tests Dylan and Team Reliable; a valuable surprise in the ashes; Jamie's rookie operator and veteran mechanic pair up to rescue a broken down semi.

When her ex-husband Quentin dies, Jessica clashes with his second wife Lisa; Mike confesses to Louis about his faked grades.

Mike helps Harvey when he faces an old law school rival; Harvey and Jessica try to avoid getting in the middle of a battle between Louis and Scottie.

When a young pizza maker is carjacked, the team tries to figure out what the perpetrators were after.

When Detective Mac Taylor arrives in Las Vegas to find his girlfriend missing, he teams up with D.B. to find her.

When her ex-husband Quentin dies, Jessica clashes with his second wife Lisa; Mike confesses to Louis about his faked grades.

Mike helps Harvey when he faces an old law school rival; Harvey and Jessica try to avoid getting in the middle of a battle between Louis and Scottie.

When a young pizza maker is carjacked, the team tries to figure out what the perpetrators were after.

When Detective Mac Taylor arrives in Las Vegas to find his girlfriend missing, he teams up with D.B. to find her.

Ken Duperon is on his first job since his heart attack; a familiar face switches teams and leads Reliable Towing on a major recovery.

A raging truck fire tests Dylan and Team Reliable; a valuable surprise in the ashes; Jamie's rookie operator and veteran mechanic pair up to rescue a broken down semi.

Proteus Airlines Flight 706 explodes as it completes a sightseeing loop.

To make up for lost profits, Jared takes a big gamble on bringing two valuable pieces of machinery back to life after decades of neglect; handfallers Jim and Rob go toe-to-toe with a giant cedar that threatens to shut down the entire operation.

The crew steps behind a Czech castle's walls to hunt for a portal to hell; venturing into an abandoned hotel in the Philippines with a cursed past.

Josh Gates steps into the past to examine unsolved mysteries; featuring the alleged alien abduction of Travis Walton, the bizarre death of American hero Charles Lindbergh's son, and the invisible attacks visited upon CIA operatives in Cuba.

When her ex-husband Quentin dies, Jessica clashes with his second wife Lisa; Mike confesses to Louis about his faked grades.

Mike helps Harvey when he faces an old law school rival; Harvey and Jessica try to avoid getting in the middle of a battle between Louis and Scottie.

To make up for lost profits, Jared takes a big gamble on bringing two valuable pieces of machinery back to life after decades of neglect; handfallers Jim and Rob go toe-to-toe with a giant cedar that threatens to shut down the entire operation.

The crew steps behind a Czech castle's walls to hunt for a portal to hell; venturing into an abandoned hotel in the Philippines with a cursed past.

Josh Gates steps into the past to examine unsolved mysteries; featuring the alleged alien abduction of Travis Walton, the bizarre death of American hero Charles Lindbergh's son, and the invisible attacks visited upon CIA operatives in Cuba.

When a young pizza maker is carjacked, the team tries to figure out what the perpetrators were after.

When Detective Mac Taylor arrives in Las Vegas to find his girlfriend missing, he teams up with D.B. to find her.

When a Colorado commuter flight ends in disaster, the shocking cause will rock the entire airline industry.

An extreme arctic blast descends on Hope, BC delivering brutal cold and a bone-chilling battle for Jamie and his brother Jason; Al's son Cary is unexpectedly called in to cover for his father on the Coq Summit for the first time.

A tanker crash in Fraser Canyon lands rookie operator Greg Mulligan in the middle of an epic recovery; faced with 47-thousand litres of diesel and a mass of twisted metal, Greg's luck turns when Merv and Aggressive Towing's 50-ton rotator arrive.

Harvey and Mike have unpleasant work to do; Louis faces a challenge; Rachel tries to collect on an old debt.

An attorney goes after one of Harvey's biggest clients; Mike must make a decision; a former partner has an ax to grind.

Mac and the team work with D.B. Russell in hope of outsmarting Christine's kidnappers and saving her life.

On Valentine's Day, Mac and the team investigate three tales of love gone wrong.

Harvey and Mike have unpleasant work to do; Louis faces a challenge; Rachel tries to collect on an old debt.

An attorney goes after one of Harvey's biggest clients; Mike must make a decision; a former partner has an ax to grind.

Mac and the team work with D.B. Russell in hope of outsmarting Christine's kidnappers and saving her life.

On Valentine's Day, Mac and the team investigate three tales of love gone wrong.

An extreme arctic blast descends on Hope, BC delivering brutal cold and a bone-chilling battle for Jamie and his brother Jason; Al's son Cary is unexpectedly called in to cover for his father on the Coq Summit for the first time.

A tanker crash in Fraser Canyon lands rookie operator Greg Mulligan in the middle of an epic recovery; faced with 47-thousand litres of diesel and a mass of twisted metal, Greg's luck turns when Merv and Aggressive Towing's 50-ton rotator arrive.