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
The Simpsons opening sequence series' full title sequence. The theme, which plays over the sequence, was composed by Danny Elfman in 1989, after Groening approached him requesting a retro-style theme. The piece, which took two days to create, has been noted by Elfman as the most popular of his career. The season two episode "Bart Gets an "F"" featured a revised opening sequence, which was shortened by fifteen seconds from its original length of roughly 1 minute, 30 seconds. The opening sequence for the first season showed Bart stealing a "Bus Stop" sign; whilst the new sequence featured him skateboarding past several characters who