When late-night show hosts collide! James Corden (CBS) visits Jimmy Kimmel (ABC) and wackiness ensues. Well, actually it's a pretty formulaic visit -- we're kinda surprised. Nothing too crazy went down -- Corden cracked jokes; Kimmel asked prescribed, pre-practiced questions (randomly asking about Corden having an "accent coach" to lead into some jokes for James); and calculated hilarity followed.

Jimmy asks about Corden's Carpool Karaoke with Kanye West and how it all went down -- check out James' response ...