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Mike takes on Louis' protégé during a mock trial, but his conflict with Rachel could hurt his chances of winning. Elsewhere, Harvey works on a merger between two hotel chains, but his past with the opposing counsel complicates matters. (Repeat).

Weeks before the D-Day invasion, Britain's Barracuda bomber took out the largest Nazi warship ever built -- but today, not a single Barracuda exists. Josh joins a one-of-a-kind restoration project and searches for wreckage far above the Arctic Circle. (Repeat).

The team investigates a stranger-than-fiction murder mystery involving the legendary Wildman of Minnesota. Also known as the Ice Man, its body became a sideshow attraction that Sanderson examined himself before it mysteriously disappeared. (Repeat).

A hippie grandpa goes missing on Halloween and turns up in his van - dead - on Elm Street. Detectives look into who might have killed this beloved family man, only to find they are on the trail of someone who has most likely killed before. (Repeat).

A woman is found murdered in Central Park and the investigation links her death to a serial killer. Meanwhile, Mac reconnects with his first partner (Peter Fonda) after an ex-con the two put in prison begins stalking them. The NFL's Rex Ryan and Mike Tannenbaum appear. (Repeat).

Mac and his ex-partner (Peter Fonda) are targeted by an ex-con they put away 17 years ago on drug and firearm charges. First, the former prisoner shoots up Mac's office from across the street and then murders a drug dealer he once knew, leaving Mac to ponder why the man is seeking revenge against him and his old partner. (Repeat).

The demise of Flight 574 is featured. (Repeat).

Al and Gord are called in to winch a 65-ton steel bridge across the Coquihalla River. Jamie takes a bad fall while operating Mighty Mo. A new recruit is put to the test on an epic backroad recovery. (Repeat).

In the middle of a storm, Colin gets his first taste at the controls of Jamie's vintage wrecker, Mighty Mo. Dylan encounters a rolled semi on the edge of a cliff. Jamie and Paris try to bring an old dozer back to life. (Repeat).

Harvey and Louis are forced to work together to go after an investment firm that ripped off a nonprofit. But Louis, anxious to make a good impression, inadvertently hurts the case. Elsewhere, Mike tries to contain a modern-day Robin Hood whose actions are damaging a client's business. (Repeat).

Harvey takes on an undefeated lawyer from Boston during a class-action lawsuit. (Repeat).

Season 7 concludes with Mac determined to close his last remaining unsolved case, after a harrowing near-death experience. New evidence in the 2002 double murder at a grocery suggests a girl was kidnapped from the store shortly after the crimes. (Repeat).

The eighth season begins with Mac and the team recalling moments from 9/11 on the 10th anniversary of the tragedy. (Repeat).

Harvey and Louis are forced to work together to go after an investment firm that ripped off a nonprofit. But Louis, anxious to make a good impression, inadvertently hurts the case. Elsewhere, Mike tries to contain a modern-day Robin Hood whose actions are damaging a client's business. (Repeat).

Harvey takes on an undefeated lawyer from Boston during a class-action lawsuit. (Repeat).

Season 7 concludes with Mac determined to close his last remaining unsolved case, after a harrowing near-death experience. New evidence in the 2002 double murder at a grocery suggests a girl was kidnapped from the store shortly after the crimes. (Repeat).

The eighth season begins with Mac and the team recalling moments from 9/11 on the 10th anniversary of the tragedy. (Repeat).

Al and Gord are called in to winch a 65-ton steel bridge across the Coquihalla River. Jamie takes a bad fall while operating Mighty Mo. A new recruit is put to the test on an epic backroad recovery. (Repeat).

In the middle of a storm, Colin gets his first taste at the controls of Jamie's vintage wrecker, Mighty Mo. Dylan encounters a rolled semi on the edge of a cliff. Jamie and Paris try to bring an old dozer back to life. (Repeat).

The demise of Flight 574 is featured. (Repeat).

A pregnant lady is attacked on a highway. After a woman steals a police car, a violent pursuit begins. (Repeat).

A gunfight erupts when a mother and daughter are forced to defend their business from an armed robber. And then, a man who tries to rob a martial arts instructor quickly realizes he has messed with the wrong person. (New).

When love turns to obsession, these women make their lover their possession. (New).

In Oklahoma, officers negotiate with a delusional father who's armed and dangerous. In Florida, officers chase a joyrider determined to evade capture. In Arizona, State Troopers are called out to rescue a driver trapped in torrential waters. (Repeat).

Harvey and Louis are forced to work together to go after an investment firm that ripped off a nonprofit. But Louis, anxious to make a good impression, inadvertently hurts the case. Elsewhere, Mike tries to contain a modern-day Robin Hood whose actions are damaging a client's business. (Repeat).

Harvey takes on an undefeated lawyer from Boston during a class-action lawsuit. (Repeat).

A pregnant lady is attacked on a highway. After a woman steals a police car, a violent pursuit begins. (Repeat).

A gunfight erupts when a mother and daughter are forced to defend their business from an armed robber. And then, a man who tries to rob a martial arts instructor quickly realizes he has messed with the wrong person. (Repeat).

When love turns to obsession, these women make their lover their possession. (Repeat).

In Oklahoma, officers negotiate with a delusional father who's armed and dangerous. In Florida, officers chase a joyrider determined to evade capture. In Arizona, State Troopers are called out to rescue a driver trapped in torrential waters. (Repeat).

Season 7 concludes with Mac determined to close his last remaining unsolved case, after a harrowing near-death experience. New evidence in the 2002 double murder at a grocery suggests a girl was kidnapped from the store shortly after the crimes. (Repeat).

The eighth season begins with Mac and the team recalling moments from 9/11 on the 10th anniversary of the tragedy. (Repeat).

John Allen finds himself in need of a heavy rescue when he gets stuck on an icy side road; a rotator operator takes on a tough challenge when he tries to save a trailer buckling under heavy concrete; a new member joins the Preferred crew. (Repeat).

Racing to prevent a fuel spill, Mitch executes a complex maneuver he's never tried before; Adam attempts to help out a group of drivers stranded on a dangerous hill but ice and gravity have plans of their own. (Repeat).

Adam improvises when heavy winds complicate a tough recovery; Gary's new team, and his hopes for the future, are put to the test against a heavy sea container; when a trailer loses its wheels, Duncan has to wrestle it to the road. (Repeat).

With Herb watching over the crew, Zach shakes off his nerves and pulls off a tough move; after a bad crash, the Chatham crew clears the road while preserving a tractor for the police investigation; the Rosses do battle on double fronts. (Repeat).

Sonny needs to pull off an urgent recovery with all eyes on him; a tight recovery puts Duncan right up against a live lane of traffic; Gary's crew takes on the last big rollover of the winter as a blast of frigid weather makes the job more difficult. (Repeat).

The first storm of the season sends first responders scrambling and forces OPP Sgt. Kerry Schmidt to take hands-on action; Collin leads the crew to recover a tanker with a highly toxic payload. (Repeat).

After years of working apart, Bill Wright and his son need to become a tight team on a remote job; a city-based crew heads north to fight a demolished tractor-trailer in steep and rugged terrain. (Repeat).

The BAU investigates a spooky local ghost story of the 'Tall Man' and the clues it provides when two people go missing in the woods of East Allegheny's Dead Man's Conservatory, and a third mysteriously surfaces the following day with limited details as to what happened to her friends. To assist with the case, JJ reluctantly returns to her hometown, triggering emotional flashbacks to age 11 and her

The BAU heads to Bethesda, Md., to investigate four murders in the span of three days along the eastern seaboard. The crimes become personal for Alvez, when the team discovers there are ties to his time spent five years ago working alongside the DEA and the Mexican police force in pursuit of the most notorious hitman in Mexico. Alvez and his girlfriend decide to move in together. (Repeat).

BAU races to capture the vigilantes behind a series of attacks taking place every 27 minutes in the nation's capital. Prentiss and Unit Chief Andrew Mendoza lead the effort to identify the Unsubs and what's motivating them. (Repeat).

The BAU investigates a double homicide and kidnapping in New Hampshire. Also, Rossi's plans to elevate his relationship with Krystall don't go as planned. (Repeat).

A professor from Lewis' past tips off the BAU to an alarming number of overdose deaths of patients who just completed rehab. (Repeat).

Prentiss faces her past when the BAU is sent to investigate the murders of prominent businessmen, all of whom are missing their hearts. Also, Prentiss plans a romantic first date with Mendoza, but the evening is cut short by an urgent call from Rossi. (Repeat).

The BAU team heads to Portland, Ore., to investigate a chilling abduction that may be linked to a local couple killed in their home a week earlier. (Repeat).