"Who Shot Mr. Burns?" is a two-part episode originally entirely produced for Season 6 of The Simpsons, but the second part was moved over to Season 7 for broadcasting reasons. It is the first double-length episode of The Simpsons (not counting the "Maggie in Peril" storyline from the Tracey Ullman shorts). The second is "The Great Phatsby" in Season 28 and the third is "Warrin' Priests" in Season 31. It consists of:
It is also available for purchase on various digital stores.