Guest Star: Sandra Marquez
You are viewing a list of Sandra Marquez's 1 appearance on The Big Bang Theory.
Season 1, Episode 13 - The Bat Jar Conjecture
Aired April 21, 2008
The guys enter the college's Physics Bowl tournament, but Sheldon's inability to be a team player gets him thrown off the team. Sheldon decides to enter his own team, while the guys recruit Sheldon's nemesis, Leslie Winkle.
Appeared as Woman