Chelsea is a fictional character portrayed by Kelli Goss in the TV series The Big Bang Theory.
In the first episode they appeared in, titled The Communication Deterioration (season 8), they were 23 years old.
They appear in 1 episodes out of a total of 279 aired
Episodes1
The Communication Deterioration
episode S8.E21 april 2015When Raj is asked to create a message on the off chance a NASA mission discovers alien life, the guys fight over what he should do, while Penny contemplates returning to acting.