After Leonard sees Penny with a new guy, he decides itâ€™s time to move on with his life. When Leslie Winkle enters the lab, she invites Leonard to get a relationship. However, Sheldon hates Leslie and Penny wants them to break up, so Penny receives advice from Sheldon, but with no good results. Meanwhile, the relationship hits a bump when it turns out Leonard rather supports Sheldonâ€™s science theories than Leslieâ€™s.
Aired: 29 Sep 2008