8x17 The Colonization Application
First Aired: Mar. 05, 2015 on CBS
Summary: Trouble arises when Amy learns Sheldon has applied for a one-way mission to colonize Mars. Also, a trip to the pet store ends in a fight for Sheldon and Amy, Leonard surprises Penny with a very “adult” purchase, and, Raj is caught snooping in Emily’s apartment.
Guest Stars[no credits found]