Susan Sarandon came out during Nathan Fielder's interview as his "backup guest" on "Conan." She sat next to him and didn't say a word the entire time she was on the couch.
Aaron Rodgers visited "Conan" to play the new "Assassin's Creed" video game, but the host was only interested in making Aaron relive his recent injury.
Weird Al took a break from living in an "Amish Paradise" to swing by "Conan." And while he was there they talked about the "Walking Dead" Season 8 premiere. Weird Al's song, "Another One Rides the Bus," was featured in a recurring dream sequence during the premiere.
On “Conan,” Billy Eichner recalled seeing a lonely former White House press secretary Sean Spicer in the green room backstage at the Emmys. According to Eichner, the only person who would speak to Spicer was the star of "Young Sheldon" — 9-year-old Iain Armitage.
Late-night hosts — from Stephen Colbert to James Corden — were unified in their call for some type of gun control legislation in the wake of the horrific Las Vegas shooting.
"Rogue One" star Diego Luna visited Conan where he shared a firsthand account of the terrible destruction from the recent 7.1-magnitude earthquake that struck Mexico City.
Conan O’Brien aired a preview of his upcoming "Conan Without Borders: Israel" episode, which airs Sept. 19 at 10 p.m.
Turns out that long before scaring record audiences, Bill Skarsgård was scaring his little brother with that smile.
When the late night host leaves the studio, he doesn’t just go outside. Often he totally leaves the country. O’Brien has shared pictures from his latest destination.
Conan O’Brien showed a "sneak peek" of the 79-minute “Game of Thrones” Season 7 finale, revealing how they filled the extra time.
Kathy Bates and Conan O’Brien attempt to sing the national anthem in Baltimorese. And the result may be worse than nails on a chalkboard.
Kathy Bates talks about her upcoming Netflix series, and supporting medical marijuana for NFL players to treat concussions and chronic pain.
Matt LeBlanc has said in the past that he would like to retire in his 50s. When asked about that, the actor said, “I would like to retire earlier than later because I think I would like to do not a f***ing thing.”
Sen. Al Franken did not mince words when it came to President Trump's reaction to the injuries and death that occurred in Charlottesville, Va.
Wesley Snipes dropped by "Conan" where he talked about stealing a part from the late great Prince all the way back in 1987.
With Conan at Comic-Con, John Bradley compared seeing Harington in person with seeing one of the art world’s great masterpieces.
Cast members from “Game of Thrones” joined Conan O’Brien at Comic-Con in San Diego, where they talked spoilers and drones.
Snoop Dogg shows up late to “Conan” after the late night host set up a special trailer for Snoop to smoke weed in before the show.
The stars of HBO’s Veep visited Conan and recalled the insults from the show that hurt them the most. The characters on Veep are known to trade savage and cutting barbs. Even though they know it’s all in good fun, the actors said they were not immune to the sting of the put-downs.