Mark Hamill is a fictional character portrayed by Mark Hamill in the TV series The Big Bang Theory.
In the first episode they appeared in, titled The Bow Tie Asymmetry (season 11), they were 66 years old.
They appear in 1 episodes out of a total of 279 aired
Episodes1
The Bow Tie Asymmetry
episode S11.E24 may 2018When Amy's parents and Sheldon's family arrive, everybody is focused to make sure all wedding arrangements go according to plan - everyone except the bride and groom.