Guest Star: Judy Greer
The Plimpton Stimulation
Season 3, Episode 21 - Aired May 10, 2010
The gang is surprised to hear Sheldon is having a female guest stay over. Although Sheldon's interest in his guest is purely academic, Dr. Elizabeth Plimpton invites a different kind of attention when she meets Leonard, Howard and Raj.
Appeared as Dr. Elizabeth Plimpton