"Wormhole X-Treme!" is an episode from Season 5 of the science fiction television series Stargate SG-1.The title also refers to a camp fictional science fiction series named Wormhole X-Treme!, a show-within-a-show that is portrayed in the episode. This was the 100th episode of Stargate SG-1, and as such was produced as a "special" episode laden with large numbers of in-jokes, cameo appearances, and heavy use of metafictional elements for comedic effect.