The Big Bang TheorySeries 3 Episode 1: The Electric Can Opener Fluctuation
The third series begins with Sheldon going back to Texas in disgrace when he learns that his friends tampered with his Arctic expedition data because his quest for a breakthrough was becoming unbearable to live with. His friends are forced to follow him. Meanwhile, Leonard is peeved that his attempts to woo Penny are being constantly interrupted but is cheered up when they finally sleep together.
- Original air date