6The Big Bang Theory Inside Jokes

Penny eating dinner with her brainy friends by huffingtonpost.com.

The Big Bang Theory has been on the air for 10 seasons now. With that, many episodes are bound to be filled with some running gags. Fans who have been with the cast since the beginning will know these five, TBBT inside jokes.

Back Eli Smith

RIP: Our Favorite Things About Glenn On The Walking Dead

See How The Walking Dead Cast Members Have Changed Since Season 1

Would You Like To Meet The Walking Dead Cast On A Fan2Sea Comic Con Cruise?