Gretchen is a fictional character portrayed by Briana Cuoco in the TV series The Big Bang Theory.
In the first episode they appeared in, titled The Tangible Affection Proof (season 6), they were 24 years old.
They appear in 1 episodes out of a total of 279 aired
Episodes1
The Tangible Affection Proof
episode S6.E16 february 2013Sheldon gets Alex to buy a Valentine's Day gift for Amy. Leonard, Penny, Howard and Bernadette have a disastrous dinner together. Raj and Stuart host a "Lonely People" party at the comic book store.