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".

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* GRatedDrug: Bart and Milhouse start hallucinating for drinking 40-year old sodas of the Beatles merchandise.