Bart as Bart crosses the road. Hans Moleman pokes his head out from a manhole, which slams down on him when Marge drives over it in her car. Marge is now driving an orange station wagon instead of a red sedan, reflecting the change in the show. Maggie is shown in a booster seat in the middle while Grampa sleeps next to her. When Marge and Maggie honk their respective horns, Grampa is startled awake and his dentures fall out. The camera then pans across Springfield and then cuts to the driveway scene. Unlike the other two opening sequences, Marge's car now hits Homer and carries him on the hood until it stops short, flinging him ahead to smash a Homer-shaped hole through the door. The couch gag is shown before the credits are displayed on a new, wall-mounted widescreen plasma television, which sometimes falls off and breaks or (in some episodes) the credits are presented in another way. Notably, in "Take My Life, Please", the loud belch of Barney's when Bart plows into him is cut. The belch was added in the sixth HD episode, "Wedding for Disaster". In the 500th episode, the opening sequence was a montage of all previous couch gags. Some episodes since season 22 do not feature an opening sequence at all, instead it cuts from the clouds to the start of the episode. Season 30 was the first season to not include shots of the family on their way home. Season 32 was the first season to only include chalkboard gags, the driveway scene and couch gags, and Season 33 was the first season to exclude the chalkboard gags at the beginning of each episode. Development and variations Creator Matt Groening developed a lengthy opening sequence for the first season of The Simpsons, in order to cut down on the animation necessary for each episode, but devised the two gags as compensation for the repeated material each week. In the first of the original gags, the camera zooms in on Springfield Elementary School, where Bart can be seen writing a message on the chalkboard. This message, which changes from episode to episode, has become known as the "chalkboard gag". The other gag is known as a "couch gag", in which a twist of events occur when the family meets to sit on their couch and watch television. Groening, who had not paid much attention