8x19 The Skywalker Incursion
First Aired: Apr. 02, 2015 on CBS
Summary: When Leonard and Sheldon are invited to speak at UC Berkeley, they take a detour to try to meet an idol. Also, when Bernadette and Howard battle over the fate of his Dr. Who TARDIS, Raj and Amy offer to settle the dispute with a game of ping pong.
Guest Stars[no credits found]