The Simpsons opening sequence is a callback to the film. Bart writes "I will not wait 20 years to make another movie" on the chalkboard and skateboards through Springfield, which is still recovering from the dome incident. Several movie characters reappear, including president Schwarzenegger, the Multi-Eyed Squirrel, Colin, Russ Cargill, and the Medicine Woman. We also see that the Simpsons' house is still under construction and the silo is strapped to Homer's car. Plopper the pig is also featured for the first time in the series, during the couch gag and Homer refers to him as "my summer love." A special opening sequence, featuring
Mad TV (season 7) theme song, which is performed by the hip-hop group Heavy D & the Boyz, begins. A voice announces "It's "Mad TV!" Starring...," and then alphabetically introduces each repertory cast member, followed by the featured cast. The screen splits into several different live-action clips of cast members performing recurring characters. When the last cast member is introduced, the music stops and the title sequence ends with the phrase "You are now watching "Mad TV"." <onlyinclude></onlyinclude> Mad TV (season 7) The seventh season of "Mad TV", an American sketch comedy series, originally aired in the United States on the Fox Network between