Bart the General" is the fifth episode of Season 1. This is one of the two first season episodes that features a shorter Opening Sequence, which doesn't include a chalkboard gag or a couch gag, the other being "Life on the Fast Lane".
Synopsis[]
After defending Lisa from school bully Nelson Muntz, Bart becomes Nelson's latest school bullying target. Having become sick and tired of the harassment and torment, Bart, Grampa Simpson, and Herman (a slightly deranged military antique store dealer with a missing arm) rallies the town's children into fighting back against Nelson and his cronies with a couple hundred water balloons.