Peanuts - Season 1 Episode 44 He's a Bully, Charlie Brown Happiness is a pile of leaves.
Overview: The Peanuts gang is at summer camp, and Rerun has brought his marbles. Unfortunately, a talented bully takes advantage of Rerun and "teaches" him to play marbles, and takes all of them, including his grandfather's shooter, because he "won" them. Now it's up to Charlie Brown to win back Rerun's marbles.