After Bart and Milhouse are caught by the police sneaking inside Ned's ''Beatles'' memorabilia basement, Bart is put in a peer group called "Pre-Teen Braves" in order to be supervised by an adult (Marge), until they come head-to-head with Milhouse's peer group "Cavalry Kids".

!!Tropes featured:

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* CanadaEh: Springfielders decide to stop fighting and join together to sing "O Canada", even forming the Maple Leaf emblem.
* GRatedDrug: Bart and Milhouse start hallucinating for drinking 40-year old sodas of the Beatles merchandise.

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