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Appearances
The Big Bang Theory
Guest cast, played by Mark Harelik
- Episode 1x04: The Luminous Fish Effect (Oct 15, 2007)
- Episode 1x12: The Jerusalem Duality (Apr 14, 2008)
- Episode 1x13: The Bat Jar Conjecture (Apr 21, 2008)
- Episode 2x03: The Barbarian Sublimation (Oct 6, 2008)
- Episode 2x04: The Griffin Equivalency (Oct 13, 2008)