Last night on The Daily Show, Chris Rock, currently writing jokes for his stand-up show, lamented that YouTube has robbed comedians of their small-stage practice period. Plus: Will Ferrell fiercely defended his bedroom skills — "I'm not going to say I'm Wilt Chamberlain, okay?" he told Chelsea Handler, "But, you know, I'm a hard worker!" Also, Chris Hardwick helped clean out Craig Ferguson's studio before the late-night host's big move next door; and Steve Carell couldn't help cracking up during his improvisation of a lobster fisherman on a 911 call. Watch our compilation to see what you missed.