Simpsons Season 14, Episode 21: The Bart of War

Marge makes Bart quit hanging out with Milhouse after the two are caught invading the Flanders' home. She then starts a peer group based around Native American life for Bart, Nelson, Ralph and Database to participate in. When Bart finds out Milhouse has joined a different peer group, they soon are at odds as they see whose group can do more communi...