Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar, Mayim Bialik and Melissa Rauch will join TBS late-night host Conan O’Brien on February 24 for a special episode celebrating the 200th episode of the Warner Bros’ sitcom that’s currently the most popular comedy series on TV. The episode airs the next night on CBS.

The Conan Gallery // Siren Studios Orange, Los Angeles, CANot coincidentally, TBS, a division of Turner, presents encore episodes of The Big Bang Theory in primetime five nights a week.

This will mark the 10th time Conan has featured a full cast from a TV show or a movie at one time; previously the show has featured the casts of Orange Is The New Black, The Walking Dead, It’s Always Sunny In Philadelphia, Sons of Anarchy, Breaking Bad, Game of Thrones, The Hunger Games: Mockingjay Part 2, X-Men: Apocalypse and, most recently, Star Wars: The Force Awakens.