The live show travels to Chicago, Austin, New York and Los Angeles; the comics face off in front of judges, including Dave Attell, Hannibal Buress and Jeff Ross.

David Spade and Kevin Hart judge the first round of the battle. Presented with four pairings, they must decide who will triumph in the contest of insult comedy.

Ralphie May and Ms Pat go head-to-head in the insult battle; Whoopi Goldberg and Anthony Jeselnik are the guest judges.

Jimmy Kimmel and Seth Rogen take their seats on the judging panel, ready to witness the face-offs between Mike Lawrence and Ralphie May, and Jimmy Carr and Earl Skakel.

Jeff Ross is joined by Sarah Silverman and Judd Apatow to determine the winner of the Roast Battle. Mike Lawrence, Sarah Tiana, K Trevor Wilson and Earl Skakel vie for the top spot.

Comedians go head to head in a battle of insults at New York City's Comedy Cellar to determine who will go on to compete at Roast Battle.