The Big Bang Theory

The Bath Item Gift Hypothesis

Series 2 - Episode 11 The Bath Item Gift Hypothesis

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Summary

Sheldon's obsession with gift-giving etiquette annoys his friends as Christmas approaches. Meanwhile, Leonard is thrilled to meet an award-winning scientist, only to be filled with jealousy when his new colleague takes an interest in Penny. With guest star Michael Trucco (Battlestar Galactica, One Tree Hill).

Cast & Crew

Leonard Hofstadter Johnny Galecki
Sheldon Cooper Jim Parsons
Penny Kaley Cuoco
Dr David Underhill Michael Trucco
Howard Wolowitz Simon Helberg
Raj Koothrappali Kunal Nayyar
Charlotte Michael Hyatt
Director Mark Cendrowski
Writer Stephen Engel
Writer Eric Kaplan
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Sitcom