Season 1, Episode 13 The Bat Jar Conjecture

First Aired: April 21, 2008

The men compete in the university's lighthearted physics bowl, but Sheldon's much-too-serious attitude forces them to replace him with his nemesis, Leslie Winkle (Sara Gilbert).

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  • Premiered: September 24, 2007
  • Rating: TV-PG
  • Premise: Two nerdy physicists share an apartment and an unlikely friendship with their beautiful neighbor with whom one of them is infatuated. Like the universe after the big bang, the show's popularity expanded, thanks to breakout star Jim Parsons, along with the… (more)

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