Late-night rivals and other celebrities rallied to support CBS "Late Show" host Stephen Colbert after the network canceled his show, and comedian Jon Stewart lashed out at Paramount Global for the decision to end the long-running TV program.

Monday night's (July 21) show also featured kiss cam-style pop-ins from supportive fellow talkers Anderson Cooper, Jimmy Fallon, Jon Stewart and Adam Sandler.

"The View" co-host Sunny Hostin feared that CBS's decision to cancel Stephen Colbert's show could threaten First Amendment rights if it was politically motivated.

Stephen Colbert announced "The Late Show" was cancelled three nights after revealing his summer mustache on air. Coincidence?

Stephen Colbert got an assist on 'The Late Show' from some of his late-night rivals following CBS's sudden decision to axe the show.

Fox News host Greg Gutfeld is the ratings king of late night with 3.1 million average viewers, despite what Stephen Colbert may be telling his audience.