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Appearances
The Big Bang Theory
Guest cast, played by Brian George
- Episode 1x08: The Grasshopper Experiment (Nov 12, 2007)
- Episode 2x04: The Griffin Equivalency (Oct 13, 2008)
- Episode 2x23: The Monopolar Expedition (May 11, 2009)
- Episode 3x07: The Guitarist Amplification (Nov 9, 2009)
- Episode 4x20: The Herb Garden Germination (Apr 7, 2011)
- Episode 4x24: The Roommate Transmogrification (May 19, 2011)
- Episode 5x02: The Infestation Hypothesis (Sep 22, 2011)
- Episode 5x04: The Wiggly Finger Catalyst (Oct 6, 2011)
- Episode 5x20: The Transporter Malfunction (Mar 29, 2012)
- Episode 8x11: The Clean Room Infiltration (Dec 11, 2014)
- Episode 8x22: The Graduation Transmission (Apr 23, 2015)
- Episode 10x03: The Dependence Transcendence (Oct 3, 2016)
- Episode 10x16: The Allowance Evaporation (Feb 16, 2017)
- Episode 11x10: The Confidence Erosion (Dec 7, 2017)
- Episode 12x02: The Wedding Gift Wormhole (Sep 27, 2018)
- Episode 12x12: The Propagation Proposition (Jan 10, 2019)