Dr. Graybel is a fictional character portrayed by Dave Theune in the TV series The Big Bang Theory.
In the first episode they appeared in, titled The Imitation Perturbation (season 12), they were 42 years old.
They appear in 2 episodes out of a total of 279 aired
Episodes2
The Imitation Perturbation
episode S12.E6 october 2018When Wolowitz dresses up as Sheldon for Halloween, Sheldon seeks retaliation at Leonard and Penny's Halloween party. Also, Leonard is shocked that Penny doesn't remember their first kiss.The Decision Reverberation
episode S12.E20 april 2019Koothrappali is worried people won't take him seriously in his own field after publishing a paper that suggests he may have discovered alien life. Leonard wants to be the principal investigator on a plasma physics study.
- The Imitation Perturbation
- The Decision Reverberation