The Big Bang Theory Season 5 Episode 18
Overview
Sheldon becomes agitated when his regular barber is out sick. Astronaut training causes Howard to reconsider wanting to go into space. Penny beats Leonard in chess, the first time she plays.
Views: 21544
Serie: The Big Bang Theory
Director: Mark Cendrowski
Guest Star: Carol Ann Susi, Peter Onorati, Vernee Watson-Johnson
