List of Late Night with Conan O'Brien sketches
The sketch was invented prior to the actual year 2000, but the show's writers decided to keep the named year the same even after the passing of the titular year, in a sort of ironic twist. However, when the sketch was revived on "The Tonight Show with Conan O'Brien", Richter heaped ridicule upon O'Brien for failing to update the name of the skit nine years after the year 2000 had passed. The sketch is renamed "In the Year 3000", with the black robe (referred to as a 'ratty smock' by Richter) being replaced with a more futuristic-looking outfit consisting of a large metallic collar with a series of blinking lights, which Conan said were very expensive to make and Andy said smelled bad. Appearing on "Tonight" June 3, 2009, it was the first "Late Night" sketch to be carried over to Conan's "Tonight Show". The open to the sketch included narration by William Shatner and, on one occasion, George Takei.
Bart Gets Famous
In the episode, Bart appears on the talk show "Late Night with Conan O'Brien". Conan O'Brien was a writer for "The Simpsons" during the fourth and early part of the fifth seasons. During the production of the episode, he received an audition to replace David Letterman as the host of "Late Night" on NBC, after Letterman defected to CBS. The writers decided that since the episode featured Bart getting famous, it would give them an opportunity to work in O'Brien's show. The part was written just after O'Brien's audition for "Late Night", but before he knew he was going to be the host. O'Brien recorded his part shortly after "Late Night with Conan O'Brien" premiered, but he believed NBC would have fired him before the episode aired. He described being a guest star on the show as "really delightful", adding that "it's like being frozen in amber. I know people will be watching "The Simpsons" long after I'm dead."