Watch The Big Bang Theory S05E18
The Werewolf Transformation
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.. You can watch The Big Bang Theory S05E18 here.
Air date: February 23, 2012 on CBS at 8:00 PM
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Watch The Big Bang Theory S05E17 - The Rothman Disintegration
Season 5 Episode 17
Air date: February 16, 2012 on CBS
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Watch The Big Bang Theory S05E19 - The Weekend Vortex
Season 5 Episode 19
Air date: March 08, 2012 on CBS