Episode Titles: Expansion
You are viewing a list of 1 The Big Bang Theory episode featuring "Expansion" in their title.
The Lizard-Spock Expansion
Season 2, Episode 8 - Aired November 17, 2008
A smitten Wolowitz attempts to impress the new love of his life, Dr. Stephanie Barnett, but instead crashes the Mars Rover into a ditch. When the guys arrive to help Howard out of his predicament, Stephanie finds herself more interested in Leonard and promptly leaves with him.