Squirming discomfort — some of it pleasurable, much of it not — proves to be the subtext that runs throughout this entire hour of "My Next Guest Needs No Introduction with David Letterman."
Will Smith and Jimmy Fallon prove they can handle perform a mashup of some of the most memorable theme songs in TV history.
Hilarity ensued as Blake Shelton and Jimmy Fallon got into some verbal horseplay during a visit to a fortune teller.
Blake Shelton may have gotten himself in hot water with girlfriend Gwen Stefani when he failed to recognize one of her biggest hits on "The Tonight Show."
When she was 8 years old, "Tomb Raider" star Alicia Vikander won a lip sync battle on a popular Swedish kids' show.
Late night hosts had a lot to say about the president's abrupt firing of Secretary of State Rex Tillerson via Twitter on Tuesday.
Alec Baldwin, who has been honing his interview skills for various projects, took over "The Tonight Show Starring Jimmy Fallon," making the host odd man out during a discussion with Billy Crudup.
On "The Tonight Show," John Cena appeared on the latest edition of "Ew!" as Sara's BFF, Addison. It could be his best acting to date.
After John Oliver thanked Oprah in his 2017 Emmys acceptance speech, she met him backstage, and things got sweet but awkward.
Believing they were making a video by talking to a poster, "Black Panther" fans were obviously surprised when Chadwick Boseman appeared in the flesh on "The Tonight Show."
Olympic gold medalist Chloe Kim, who tweeted about being "hangry" in between qualifying runs, once again proved she's just like us when she photobombed unsuspecting fans.
Jimmy Fallon rushed through a monologue and a one-minute interview with Paul Rudd in a compressed version of “The Tonight Show.”
After the Super Bowl, former Patriot and current Eagles defensive end Chris Long finally got the chance to thank Tom Brady for the previous season.
Taking the stage as Bob Dylan circa the late 1960s — tousled hair, Ray-Ban sunglasses, harmonica brace around his neck — Jimmy Fallon did his best nasal whine to approximate protest-singer-era Dylan, singing a new version of “The Times They Are A-Changin’” on "The Tonight Show."
Following tradition, "The Tonight Show" unleashed a passel of puppies to predict the winner of the upcoming Super Bowl. This time, one team won in a landslide.
Alex Rodriguez stopped by "The Tonight Show," where Jimmy Fallon thought it'd be fun to pit the former Yankee against a 1-year-old.