Guest Star: Emily Happe
The Cooper-Nowitzki Theorem
Season 2, Episode 6 - Aired November 3, 2008
When a young grad student, Ramona Nowitzki, falls for Sheldon, the whole gang is confused - nobody more so than Sheldon. Though Sheldon is initially pleased to be the subject of someone's adoration, he is soon searching for a way out of their "relationship".
Appeared as Kathy