Laura Spencer
Emily Sweeney
EpisodeS8E1720 min2015-03-05
The Big Bang Theory
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.
Crew
Episode-specific crew credits.
