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.

Fox News Channel late-night star Greg Gutfeld will be a guest on NBC's "The Tonight Show" hosted by Jimmy Fallon on Thursday night.

Greg Gutfeld, host of Fox News’s late-night show Gutfeld!, will appear as a guest on The Tonight Show Starring Jimmy Fallon Thursday, a crossover he expects will be “fun.” Gutfeld! is growing in attention in the late-night television genre,