- Network: CBS
- Series Premiere Date: Sep 24, 2007
Summary: Howard returns from space, Raj has a new love interest, and Penny becomes jealous of the connection Leonard has with Alex (Margo Harshman), Sheldon's new assistant on the sixth season of the comedy.
|Creators:||Bill Prady, Chuck Lorre|
|Seasons:||1, 2, 3, 4, 5, 6, 7, 8, 9, 10|