Ep 31. Brother Versus Brother

Beaver has an instant crush on Mary Tyler. But when he invites her over to play Monopoly, she develops an instant crush for Wally. Wally wants nothing to do with her, but Beaver is hurt and refuses to talk to his brother. Wally finally comes out and tells Mary that she is too young for him to ever date, and then Beaver dumps her for going after Wally. The two brothers make up.