The Hos Before Bros Rule

Megan and Charlie give in to their mutual attraction -- several times -- despite Sam's disapproval. Sam enlists a pissed-off and single-again Jenna in a plan to bring Dean down while Ben asks Dean to keep Jenna occupied until he can win her back. Sam gets sage 'Rules' advice from Lizzie about Ryan., and Amy's hot one night stand shows up at The Bootleg.