Comics from across the nation compete in front of talent scouts to see who will move on to the semi-final round.

Round one of the comic semi-finals begins, with special appearances by celebrity judges Kathy Griffin, Garry Marshall and Tim Meadows. Top comedians perform their funniest routines, with each hoping to secure a spot as a final contestant.

In the final round of the comic semi-finals, top comedians perform their funniest routines, but there is a surprise twist when the final contestants are ultimately revealed. Celebrity judges Kathy Griffin, Garry Marshall and Tim Meadows make special appearances.

The twelve comedians assemble on the Queen Mary ocean liner in Long Beach, CA, which will serve as their home for the competition. After a heckling challenge, they face a double elimination.

After one comic gets immunity for the best one-minute spot on Adam Carolla's radio show, the other comics vie to put up this week's competitors, from which two more are eliminated.

This episode features a very special competition with all the comics roasting Gabriel. After someone breaks the rules, they are thrown off the show, before the head-to-head narrows down the remaining comics even more. Five comics remain to compete next week in the first round of the Last Comic Standing Finals, where America decides, who is the funniest?

The five remaining comedians compete in the First Round of the Finals Competition with 5 minutes each for the right to stay in the competition. America will decide, who is the funniest, and one comic will be eliminated on next week's episode, where the four remaining will compete to win the title of "Last Comic Standing."

The episode starts out with the five remaining comics on stage to find out who received the least amount of votes from last week's America vote. The four remaining comedians then have five minutes each and America votes to decide who will remain in competition to be the "Last Comic Standing". Also appearing in this episode was former LCS contestant from Seasons 2-3: Gary Gulman.

The Season Finale starts out with the three remaining comics on stage to find out who received the least amount of votes from last week's America vote. The final two comedians then perform to see who will be the named the "Last Comic Standing."

In Part II of the Season Finale, the winner of the title of the "Last Comic Standing" is announced.