"Bender's Big Score" has an extended opening sequence, introducing each of the main characters. In ' and ' the ship passes through the screen's glass and temporarily becomes part of the environment depicted therein—a pastiche of Disney's "Steamboat Willie" and "Yellow Submarine" respectively—before crashing through the screen glass on the way out. In "", a completely different opening sequence involves a trip through a futuristic version of Las Vegas located on Mars. The theme tune is sung by Seth MacFarlane and is different from the standard theme tune. The end of the film incorporates a unique variation of the opening sequence; as the "Planet Express Ship" enters a wormhole, it converts into a pattern of lights similar to the lights that appear in the opening sequence.