Last Comic Standing: Season 4, Episode 3

4 - 3:

Round one of the comic semi-finals begins, with special appearances by celebrity judges Kathy Griffin (Bravo's "Kathy Griffin: My Life on the D List," NBC's "Suddenly Susan"), Garry Marshall ("Chicken Little," "The Princess Diaries I & II") and Tim Meadows ("The Benchwarmers," NBC's "Saturday Night Live