FOX host Greg Gutfeld made an appearance on The Tonight Show With Jimmy Fallon Thursday, marking a surprising political crossover just weeks after President Trump roasted Jimmy Fallon and other left-leaning late night hosts following CBS’ shocking decision to cancel The Late Show With Stephen Colbert.

Greg Gutfeld made his broadcast late-night debut on “The Tonight Show Starring Jimmy Fallon” Thursday evening, marking a rare network crossover with the Fox News host visiting NBC’s 30 Rock. A conservative media personality is a rare booking for “The Tonight Show” and the 10-minute segment between Gutfeld and Fallon largely steered clear of politics.

Greg Gutfeld, host of Fox News' late-night show 'Gutfeld!,' reminds Jimmy Fallon they met years ago at a bar. Booze, smokes and mild violence were involved.

Jimmy Fallon hosted an unexpected guest on Thursday’s (August 7) episode of The Tonight Show as rival late-night host and Fox News favorite Greg Gutfeld joined him on the sofa.

Jimmy Fallon’s latest book club pick is here! On Aug. 13, the Tonight Show host, 50, announced live on air that his latest book club pick will be My Friends by Fredrick Backman.

On "The Tonight Show," Fox News' Greg Gutfeld revealed the wild story Thursday behind his first encounter with fellow late-night host Jimmy Fallon years ago.

LateNighter surmised that the controversial “Gutfeld!” host “brought his Fox News audience with him.” It noted that while fellow guests the Jonas Brothers might have also contributed to the viewership, watchers increased during Gutfeld’s segment.

Someone declared, "There is no defense of this. This dude is part of the tinderbox that is MAGA. Fallon having him on means I now hate Jimmy Fallon. I've given him every benefit of the doubt throughout the last 2 decades, but this seals it for me."

In a chaotic game of "Truth or Dare," actress Margaret Qualley convinces Jimmy Fallon to interview her while laying face down on his own desk

The latest news and top stories on Jimmy Fallon. Known for his energetic comedic style and musical parodies, he rose to prominence as a cast member on NBC’s *Saturday Night Live* from 1998 to 2004, where he was celebrated for his impressions and co-hosted "Weekend Update".