The long-running science fiction television series Doctor Who has, over the years, been the subject of many parodies, including comedy sketches and specially made comedy programmes, from Spike Milligan's "Pakistani Dalek" to the Comic Relief episode Doctor Who and the Curse of Fatal Death. There have been occasional parodies and references to Doctor Who on American TV shows such as Community, Saturday Night Live, The Simpsons, Late Night with Conan O'Brien, Robot Chicken, and The Colbert Report. Some notable examples follow, categorized by medium.