It's hard to believe, but Conan's been on the air since 1993. So through November 15th 2013, we're celebrating 20 years of late night madness, looking back at your favorite guests, characters, comedy sketches, and countless moments of general stupidity. This is gonna be fun...



[UPDATE 11/15/2013: That's a wrap, folks; all "Late Night With Conan O'Brien" and "The Tonight Show With Conan O'Brien" clips have returned to the NBC vault. We hope you enjoyed this walk down memory lane. Let's do it again in 2033, shall we?]