We don't have a biography for Halley yet. Hang in there, or go ahead and contribute one.
Appearances
The Big Bang Theory
Guest cast, played by Pamela Adlon
- Episode 10x11: The Birthday Synchronicity (Dec 15, 2016)
- Episode 10x12: The Holiday Summation (Jan 5, 2017)
- Episode 10x15: The Locomotion Reverberation (Feb 9, 2017)
- Episode 10x17: The Comic-Con Conundrum (Feb 23, 2017)
- Episode 10x19: The Collaboration Fluctuation (Mar 30, 2017)
- Episode 11x06: The Proton Regeneration (Nov 2, 2017)
- Episode 11x13: The Solo Oscillation (Jan 11, 2018)
- Episode 12x06: The Imitation Perturbation (Oct 25, 2018)
- Episode 12x17: The Conference Valuation (Mar 7, 2019)
- Episode 12x18: The Laureate Accumulation (Apr 4, 2019)
Guest cast, played by Sailah Nicol
- Episode 12x24: The Stockholm Syndrome (May 16, 2019)