The Big Bang Theory Season 2 Episode 2 : The Codpiece Topology

After the guys return from a Renaissance fair and see Penny with her new boyfriend, Eric (Travis Schuldt), Leonard decides to once again pursue a relationship with fellow physicist Leslie Winkle (Sara Gilbert). Thinking that she needs to "slow things down", Leslie agrees to date Leonard, repeatedly assuming the dominant role before conceding that Leonard should assume the "male role". With this new attitude, Leslie goes as far as evaluating Leona...