A David and Goliath match as Shaquille O' Neal trades barbs with comic Ken Jeong; seeing which talk show host can really work the mic when Ricki Lake goes head-to-head with Jerry Springer.

Two pals put their friendship on the line when Seth Rogen and Joseph Gordon-Levitt take it too far in a rap battle. And funnyman Terry Crews squares up on the Internet's most watched musician, Despacito's Luis Fonsi.