Leno is one of a handful of high-profile guest stars appearing in the first season of Shifting Gears, joining Jenna Elfman, who has a recurring role, and Allen’s Last Man Standing co-star Nancy Travis ...

If he did that, he says, he’d probably bomb with half the audience. “Believe me ... you’re probably more famous as a car ...

TV legend David Letterman made a surprise appearance on NBC’s “Tonight Show” on Monday night during host Jimmy Fallon’s ...

Letterman, of course, has history with “The Tonight Show.” He appeared on the show multiple times when Carson was host, many ...

"Is this the 23rd hour of The Today Show?,” Letterman asked as he wandered onto the stage to greet Jimmy Fallon.

If he did that, he says, he’d probably bomb with half the audience ... as a car collector than the host of The Tonight Show. People think “Jay Leno,” and they think “car guy.” ...

Late night TV legend David Letterman made a surprise appearance on NBC’s “Tonight Show ... NBC hired Jay Leno instead, and Letterman defected to CBS for a show at the same hour, leading ...

Late night TV legend David Letterman made a surprise appearance on NBC’s “Tonight Show” on Monday night during host Jimmy Fallon’s opening monologue. It was Letterman’s first appearance on the show ...