E4 The Big Bang Theory (T) Fri 20:00

The Big Bang Theory (T)

After arguing with Sheldon, Howard tries to make amends by taking him to Nasa's headquarters in Houston. Elsewhere, Penny has second thoughts about quitting her job as a waitress when her car dies, while Amy tries to find Raj a date. Comedy, starring Johnny Galecki, Jim Parsons and Kaley Cuoco.

S07 E17