O'Hare Towing's Bill Gratzianna and his team of drivers use their expertise and elbow grease to keep Chicago highways clear.

A tandem trailer bottoms out trying to avoid a crash, a tractor trailer wedges itself into a tunnel, a semi carrying 42 tons of cargo teeters on a mound of ice, and O'Hare's owners butt heads about the cost of new construction.

A driver wraps a car around a pole, a semi full of paper gets stuck in the mud on some railroad tracks, an overloaded dump truck takes a spill, and Bill's daughters show him who's boss.

Joey and Tony must rescue a massive crane from a ravine, a three-car smash-up leaves Jorge and Jeff with their hands full and the crew has to clean up a 30,000 pound truck spill in the middle of the night before morning rush hour.

A blizzard pushes the O'Hare guys over the edge as the recoveries get even riskier.

A semi flies off the road and jackknifes into a ditch, a flatbed carrying tons of cargo ices over, an angry ex gets some sweet revenge, a tractor trailer burns to a char, and the new female safety manager butts heads with the crew.

A car goes through the front of a house for a practice drill, a semi gets stuck in the mud, a tractor trailer with a broken axle gets all fixed up, and Bill and Joey head to a tow show in Florida.

A garbage truck flips over on an exit ramp, an operator deals with three accidents in one hour, a pickup truck crashes on train tracks, and driver Julio tries to redeem himself after wrecking his service truck.

A tractor trailer takes a hard turn and falls to pieces, a truck gets stuck in the mud, Bill lets off some steam by crushing cars, and a pair of semis are bogged down in the dark.

Joey is searching for a big wreck, but gets beaten to the punch until a boat founders in Lake Michigan and it's game on.

A bobcat flips into a muddy ditch, a motor home smashes to bits, a massive semi takes out a guardrail, and Bill and Joey compete to see who can lose the most weight.

A truck slams into the roof of a viaduct and nearly tips over, Tryke rescues a forklift, a tractor trailer gets bent out of shape, and Bill can't handle it when Marci leaves town.

Bill cuts his arm on broken glass and heads right back into the field to tackle an overturned glass truck.

Joey frees a stranded semi, then heads back the shop to help Bill teach a course on running a heavy-duty wrecker.

A trailer is wedged in tight under a railroad bridge; Jamison discusses the tragic deaths of his parents. Only on SPEED.

The O'Hare team prepares for the annual Illinois Tow Show, where drivers compete for the title of best wrecker in the state.

O'Hare Towing moves to a new location, but a complication with the phone system could threaten the business.

Mayhem hits the highways of Chicago, as the O'Hare team battles through a rainy night to complete their toughest recovery of the year.

Bill and Marci pay their respects as the operators who have sacrificed their lives are commemorated in a moving ceremony.