The hottest comedy talents from around the country perform their uncensored routines in this HBO stand-up series. Performers in Season Four include: Bill Maher, Mario Joyner, Lew Schneider, John Riggi, Eddie Griffin, Ellen DeGeneres, Allan Havey, Susie Essman, Colin Quinn, Dana Gould, D.L. Hughley, Diane Ford, Dom Irrera, Gilbert Gottfried, Jon Hayman and Joe Bolster.