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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.