Rookie Sonny faces a 40-car pile-up that turns a major highway into a war zone; in the snow blet, a fierce storm triggers a triple-semi crash; the father-son team at Preferred Towing race to clear the road as weather blasts in.

A semi-truck crash shuts down a crucial border route, putting pressure on lead operator Kevin to reopen the road; rookie heavy rescue driver Sonny helps a trucker stuck on a dangerous stretch of highway; a tanker wreck causes commuter chaos in Toronto.

A courier truck rolls over; Mark finds himself in the middle of a crash zone on the 401 during a storm; and the crew are faced with an icy airbag job.

James and Bubba recover a semi that smashed into a building without bringing down the whole structure; Kevin faces problems with a tractor-trailer that has crashed in deep mud.

Gary's team fights to upright a battered trailer that is dangerously close to splitting open; a rookie takes his first shot as lead operator on the rotator under tough conditions.

Gary's second-in-command Kyle tangles with a wreck that will prove if he's got what it takes to lead the team; Sonny heads to the scene of a violent jackknife where curious drivers are causing further problems.

A whiteout pile-up scatters heavy I-beams across the highway, testing James and his crew; Kevin must lift a 20,000-pound chunk of steel off the road. Herb's crew stares down a huge mess and a marathon recovery in tough condition.

During a spring store, Steve cleans up a fuel spill blocking the 400, while Sonny struggles to keep the alternate route moving; John Allen recovers a loaded semi that went for a wild airborne ride.

Members of the "Highway Thru Hell" crew join the 401 crew to weigh in on the unique challenges of recovery operations in Ontario and B.C.. comparing the biggest wrecks and toughest jobs over the past winter.

Sonny and the team from Steve's Towing fight to remove the wreckage of a dump truck embedded in an overpass on the 401; James Ireland faces a trailer threatening to cave in on his crew.

A freak storm unleashes a 100-car pileup east of Toronto, pushing Steve and Sonny to lead the recovery charge; Kevin fights a tough wreck after a trucker smashes into an orchard.

A massive multiple-semi crash in a tunnel forces the Coxon crew to clear a big mess in a tight space; Mark Haslett heads to the rescue when a woman is trapped on a dangerous stretch of the highway in Toronto.

When a violent windstorm flips a tractor-trailer on an exposed bridge, Kevin works under the most difficult and dangerous conditions of his career; James takes on a wind-battered wreck of his own.

A tragic collision between two semis sends Bear and the crew from Ross into the fray; Nate and Andrew improvise after a load of lumber rolls on the 401, backing up traffic all the way to Quebec.

Sonny hunts for a shortcut across town after a runaway van smashes through a wall and into the path of a full-speed truck; the crew from Herb’s hurries to save a load of pharmaceuticals before it freezes.

Freezing rain scatters Gary's team, forcing him to work solo to open the continent's busiest border crossing; in Windsor, Brad, Eric and crew fear a tragedy when they untangle a sedan badly crushed by a semi.

A storm sweeps across the province, sending heavy rescue crews scrambling; in Hamilton, Kevin fights to clear a wreck in time for the plows to get through.

The pressure is on for Steve when a flipped truck blocks access to the airport; Coxon fights a wreck with a toxic payload; a wild rollover rips a cab off its chassis and leaves a trail of destruction for the Ross crew.

A heavy wreck and a frustrating recovery threaten to overwhelm Kevin; after a big change in his career, Sonny struggles to make a mark when a heavy load flips in the middle of the city.

Sonny deals with a jackknife during the first winter storm; John deals with a messy wreck under an overpass.

Kevin orchestrates a team of heavy operators during a highway cleanup job; Garys crew is sent on a marathon recovery.

Thick fog descends on the highway, turning a seemingly simple recovery into one of the most dangerous jobs of Garys career; a mangled trailer forces the Ross crew to take a chance on a very unconventional maneuver.

The crew scrambles to keep the roads open during a whiteout, but drivers wind up stranded on the 402; John battles high winds during a job high above the 401.

Herbs Towing turns a wreck on its head with some unexpected assistance; with traffic backing up for 50 kilometres, a fuel leak complicates an already stressful recovery for Steve and crew.

The Ross crew uprights a wreck filled with loose car engines, prompting a dangerous offload; a sudden stop shears off a truck's cab, shutting down the road to the border; John Allen heads down a steep ravine for a delicate recovery.

The crew responds to a wreck scene that stretches over half a kilometre; Sonny takes on the role of mentor; Onne and the crew work to save a trailer.

Gary and the team tackle a tanker wreck; Steves crew fights to get a tall tractor off the highway.

When a bridge collapses in a river, it’s up to the Ross crew to execute the biggest, most complex job of the season. And one of North America’s youngest rotator operators gets in over his head.

Collin gets caught in the middle of icy roads; Collin attempts his first solo recovery; Bubba fights to stop a fuel leak and a buckling trailer.

Andrews sister joins the crew for her first recovery; Eric attempts to keep his crew safe; Collins once-in-a-lifetime job goes wrong.

Bubba battles a stubborn wreck in the middle of an ice storm; Sonny must improvise while clearing a pile of steel beams; Gary deals with a plummeting tanker.

After three decades on the highway, a major change forces Eric Godard to adapt to a new crew on a tough rollover; a vicious pre-winter storm pushes Sonny into urgent on-the-job training; a jet fuel spill shuts down the entire 401.

When a tanker bursts open east of Toronto, a young operator faces a toxic mess; Gary reacts fast when he spots a dangerous mistake on the road; a rookie takes the controls for his first heavy job.

Steves crew battles a fiery wreck in the heart of Toronto; the OPP takes to the air to keep the roads safe; when freezing rain ices up the highway around London, a newly-promoted rotator operator gets his first big test.

A pileup on the 401 brings traffic to a standstill and pushes the Ross crew into action; Sonny helps a driver stuck on a dangerous stretch of highway in Toronto; Herbs rookie Zach masters a difficult move for the first time.

A 70-vehicle whiteout crash shuts down Highway 400 and the OPP jumps to organize an army of recovery crews; the Sarnia team struggles to recover a severely damaged trailer without losing the load.

Eric is still working to find his place on the new County/Coxon team when a T-bone semi collision spurs them into action; with his first baby on the way, a blizzard in the east sends Andrew on an urgent rescue mission.

An air ambulance crew takes off after a pileup results in serious casualties; Preferred fights to clear two wrecks blocking the road to the border; a veteran operator rescues a leaning trailer.

After a triple crash, the crew from Chatham struggles to keep a mangled truck in one piece; a complicated air cushion job tests a new rotator operator; the new heavy crew at Metro gets a bad case of déjà vu.

The Herb’s team fights fire while tussling with a burned-out semi; as whiteouts rage across the 402 in Sarnia, Mark fights his way through a long backup to reach a job; a unique recovery crew faces a heavy load of peat moss and trailer ready to split.

With his dad away, Mitch works with his older brother to get a stubborn wreck onto the road, but these brothers rarely see eye-to-eye; Glen, Todd and crew improvise to offload some extreme cargo.

A rolled-over dump truck spills its load on the 401 in the middle of rush hour, and Steve, Sonny and crew make a split-second decision; Eric works to cement his place on the new team when he and his boss disagree on how to handle a shredded trailer.

Snow squalls attack Highway 402, sending Gary, Collin and Mark to work deep in the trees; a fuel tanker rolls next to rail lines in Toronto's industrial port lands; the Chatham crew improvises against a fire-ravaged wreck.

Mitch's new partnership with his brother is put to the test in the aftermath of a brutal storm; Eric, Derek and crew take on a load of steel pipes, threatening to spring loose on the road; Andrew and his team wrestle difficult cargo.

Gary's crew and family come together for a multi-wreck scene blocking the border; low power lines and a bad fuel leak complicate a delicate recovery in Toronto; a garbage hauler creates a heavy mess for the Ross crew.

A load of lumber spills across the 401 in the heart of Toronto, John Allen heads into the first storm of the season; after an injury on the job, Gary must lean on Collin for a heavy yet delicate recovery; Sonny makes a major change in his life.

The OPP must manage a chaotic scene after a thirty-vehicle pileup shuts down the 401; Mitch sets a tight deadline in his first job as leader of the heavy crew; a semi smashes into a culvert, the Rosss try out their newest operator.

Sonny and his new boss face their first heavy test, fighting a semi frozen hard into the mud; a double collision brings border traffic to a halt in Sarnia, forcing Gary and crew to wrangle a difficult load of cargo.

A rolled-over load of scrap metal defies gravity and Kevins patience; the Cornwall crew rides to the rescue of a fire truck; County Towing struggles to get a grip on an icy highway.

The OPP responds to a tragedy that rocks the towing community; when Sonny gets caught on a dangerous stretch of road, he must turn to an unexpected source for help; a truckload of confetti shreds Mitchs nerves.

A compromised trailer breaks apart in Chatham; John Allen maneuvers a truckload of water.

A tractor wedged between an overpass and a guardrail forces the Ross crew into a game of inches.

A massive storm across the southern tip of the province pushes the County crew into an intense double recovery.

Mitch from B&G joins forces with John Allen to clean up a triple collision and a badly leaking tanker; a newly promoted rotator op fights a trailer that's ripping in two; Kevin rushes to clear a wreck in time for an important family milestone.

A tractor-trailer rolls over in an icy median; the oldest member of Duncan's team takes on the most dangerous job; a fiery wreck in Toronto turns Steve's crew into a pit crew; swapping wheels in a race against rush hour.

A massive super-storm blasts across the province; Sonny hurries to help a stranded customer.

When the Classic and Lucky crews battle a trailer ready to break in two, they make a drastic decision, turning to their tree expert and his chainsaw; Mike and David Ross ease out a semi caught between a culvert and a heavy steel coil.

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.

Racing to prevent a fuel spill, Mitch must execute a complex maneuver he's never tried before; Adam attempts to help out a group of drivers stranded on a dangerous hill; when James Ireland faces a tough wreck, he turns to his wife, Fabiana.

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

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.

The first storm of the season forces OPP Sgt. Kerry Schmidt to take hands-on action; Collin leads the crew to recover a tanker with a highly toxic payload; the Ross crew faces a trailer on its head that demands a double roll to wrangle it upright.

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 rugged terrain; Kevin feels the pressure when a load of steel smashes onto the highway right before rush hour.

Investigators race to find crucial evidence in the wake of a devastating crash; an unexpected malfunction puts Collin directly in the line of fire.

Todd tests his skill against a truck crashed up a steep slope; Bill Wright must learn to trust his son as they struggle against a swampy wreck; a frustrating job rattles Duncan while a key member of his team fights to return from a serious injury.

An overpass jackknife pushes Bill Wright into quick action; Collin's first heavy job after a close call forces him to put his father's new safety plan to the test.

An Eastern Ontario crew works to untangle a truck from a thick stand of trees; Mike Ross and Austin battle a trailer ready to burst; Andrew's crew faces a tragic job after losing a key member of their team.

A tanker full of wine rolls and spills on the 401; Mike McPhee takes his first step back toward the highway after a potentially career-ending accident; Eric and the crew work to save an excavator from the edge of Lake Erie.

A storm slams into Toronto and Kerry takes cleanup into his own hands; Bill Wright is forced to pull off an impossible move; when a truck smashes through an overturned semi, John Campbell has to improvise with the tools at hand.

Duncan takes on a difficult wreck as Mike McPhee returns from the injured list; a load of liquid asphalt threatens to spread and spurs a quick cleanup; a violent crash shuts down the road to the border and forces Kyle to confront hard trauma from his past.

Bill Wright must perform a complicated rescue. Kevin leaves his home base to work a recovery in the big city. Gary and Collin fight a dumped load of giant boulders. Mitch reveals a tough personal struggle.

Duncan helps an industry veteran take on a heavy rollover in a marathon job that delivers one huge problem after another. The OnRoute crew wrestles a load of wood with the afternoon commute closing in. A load of sparkling water sparks a painful offload.

Heavy squalls launch a surprise attack on the Ross crew. Sonny handles huge rolls of paper that threaten to tear through a trailer. Eric faces the end of the winter with a muddy battle and a decision about how much recovery his body can stand.

John Allen spends a frigid night battling a load of spilled scrap metal. Collin faces a tight deadline on a tough double recovery. Bill Wright makes a hard call, leading to an emotional farewell for Mitch and the entire B&G crew.

A double tanker loaded with gasoline smashes into a house; Duncan Cooper puts his new 50-ton rotator to the test; Gary and Collin bring their rookie crew to a bad collision blocking the road to the border.

Sgt. Kerry Schmidt fights to get stuck commuters moving; Austin Hutchinson is forced to battle a nasty wreck all on his own; Abrams' John Allen tackles a snowplow blocking a vital ramp.

Sgt. Kerry Schmidt coordinates heavy tows and Sonny Subra must clear a ramp littered with semis; Herb's Towing takes on a B-train that slid right off the highway; Eric Goddard brings a brand-new heavy wrecker to recover a heavy trailer.

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 the crews from Herb's and Cornwall 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; Gary and Collin dig deep to keep a fully loaded truck from tipping over.

Toronto drivers struggle after a heavy winter storm. North of the city, Sonny pushes his small wrecker to its limit. A load of buttermilk spurs a messy cleanup. And the newest member of Andrew's crew gets to prove her worth against a badly mangled wreck.

When a load of wood beams goes for a wild ride, 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 in Toronto. And the Preferred team confronts a challenge that even Gary has never seen before - a fully loaded car carrier overturned in the median.

The Preferred crew must split up to clear two wrecks. But Gary is soon desperate to have Collin back at his side. Mitch Wright returns home just in time to pick up a shovel and lead a frustrating recovery against a dump truck filled with manure.

Another snowstorm hits Toronto as Sgt. Kerry Schmidt works with Abram's crew to clear the continent's busiest stretch of highway. Duncan teams with John Campbell on a semi mired deep in the mud. Ross' Mike and Austin attempt to recover a trailer carrying an unusual load. And when a fire closes down Highway 400, James and Fabiana answer the call.

Outside Toronto a bad jackknife makes a mess of the morning commute. Sonny needs to clear a spun-out semi in time to make an important family commitment. After a transport veers off the highway, Eric faces a hard truth about the future of his career. And Andrew's crew must overcome intense resistance from a truck frozen deep in the ditch.