«The Big Bang Theory» – Season 2 Episode 20 watch online
Episode Title: «The Hofstadter Isotope»
Episode Released: 04.13.2009
Season number: 2
Episode number: 20
Episode Description: Beware, spoilers! To read - hover over the text.
Penny met with the comic book guy Stuart who invites her on a date. However, Sheldon was there was a dispute about Batman and he comes for a settlement out penny Stuart. The dispute delayed until late at night.