The Big Bang Theory › Season 8

S8 E17: The Colonization Application

A trip to the pet store ends in a fight after Amy learns Sheldon has applied for a one-way mission to colonize Mars. Meanwhile, Leonard surprises Penny with a very "adult" purchase, and Raj gets into trouble when he snoops around Emily's apartment.

Air date	Mar 5, 2015
Runtime	20 minutes
TMDB rating	★ 7.2/10