A fuel tanker gets stuck on an interstate ramp and a semi skids off the highway landing sideways into a ditch, delaying the crew's Thanksgiving dinner.

A livestock truck carrying 150 hogs collides head on with a pick up truck.

A tractor trailer loses control and rolls over an on-ramp, and an overseas container slides down a slick road and rolls over at an intersection.

Two tractor trailers collide head on; a vehicle slides straight into a ditch and a Honda sedan slides off the road into a neighbor's yard.

A container truck full of cardboard tips over on the highway; Tony and Jay break Tryke's truck and a semi gets stuck in a loading dock.

A tractor trailer loses control and rolls over an on-ramp; an overseas container slides down a slick road and rolls over at an intersection and Bill leaves town leaving Marci to man the shop.

A 40 ton rig slides over into a ditch, an SUV rolls off the highway and Jay, Keith, Don and TJ winch out victims of the storm.

Dispatch gets into a frenzy as slick roads cause a five car pile-up and a jackknifed tractor trailer blocks an off ramp, while all the drivers are out on calls for dead vehicles.

It's not a typical day of rescues for the crew at O'Hare when a pedestrian bridge gets stuck over an icy pond and a 4500 lb. helicopter must be transported to a nearby facility.

A truck breaks down on a bridge, a fuel tanker starts to smoke and leak in mid-transport, a semi plows over an electrical light post, a semi crashes into a wall on the highway and a 200,000 pound crane breaks down on a city street.

A semi is stuck under a bridge after a wheel breaks, a box truck has a head on collision and three burned cars are towed.

A two-car collision leaves one buried in the snow; two trucks are stuck on an icy slope and a pickup plunges into a river.

A roof cave in leaves a car trapped inside a garage; an expensive sports car is carefully transported and several cars are winched out of muddy driveways.

An overseas container is blown over the side of a highway, a 40-ton crane sinks into a deep muddy sinkhole, and a 5-ton semi is stuck in the soft thawing ground.

Every year, O'Hare breaks in a class of rookie drivers. They're put to the test right away, as Bill leads them to a roll over in a freight yard, and later they square off in a towing skills competition.

Bill and Marci head out of town, living Bill's sister Jane in charge of O'Hare. The calls roll in, including a cargo van that has fallen off a lift, and a tricky winch out.

It's Friday the 13, and O'Hare is haunted by freak occurrences. Two calls come in simultaneously, and Marci's birthday celebration is interrupted by a shocking disturbance.

Spring finally comes to Chicago, and the warm weather means muddy terrain. Bill and the Boys take on a machine load shift, while Tryke tackles a dump truck.

The Gratziannas discuss the worst wrecks of the past season.

The season finale counts down the most treacherous, danger packed recoveries that O'Hare has faced.