Monsterpiece Theater

Monsterpiece Theater is a recurring Sesame Street sketch hosted by Cookie Monster as Alistair Cookie.

The sketch is a parody of the PBS program, Masterpiece Theater, hosted by Alistair Cooke.

This segment has had at least three different openings. The first one had the title on a blue background, with a Union Jack flag as the P in "Monsterpiece". In Season 23, this opening was replaced with a longer opening, which panned around a room, showing pictures and books referencing past segments. The opening theme music was also presented in its entirety from beginning to end. In Season 27, another new opening was produced with the title sliding in front of a computer animated green curtain. Whenever a new opening was added, that opening would be used in all segments shown in those episodes, even if that particular segment was made years earlier.

Its successor is "Dinner Theatre", which premiered in Season 37.