“Day of the Jackanapes” is the thirteenth episode of Season 12. It first aired on February 18, 2001. The episode was written by Al Jean and directed by Michael Marcantel. Kelsey Grammer reprises his role as Sideshow Bob and Gary Coleman guest stars as himself.
Upon learning that Krusty has erased all the archival tapes of his show from the Sideshow Bob era, Bob schemes to use Bart as a manchurian candidate to blow up Krusty live on the air.