@Warner Bros. Entertainment -Meet Mark Sweet, the warm-up comic for The Big Bang Theory's live studio audience. In this featurette, Mark talks about his career, the day-to-day inner workings of the job, and what its really like Behind The Scenes.

S03E14 - The Einstein Appromaxion.

The Big Bang Theory 11x09 "The Bitcoin Entanglement" Season 11 Episode 9 All Sneak Peeks

Kaley talks about returning to 'The Big Bang Theory' after speculation that the show wouldn't be back, and she reveals some of the gifts that the cast buys for the crew during the holidays

Sheldon goes to a fancy dress party as the Doppler Effect

Sheldon wakes Penny up to discuss his reasons for wanting her to stay with Leonard.

Carol Ann Susi

Walton Goggins and Beth Behrs have landed guest-starring roles on The Big Bang Theory, EW has learned.

The Big Bang Theory 11x02 "The Retraction Reaction" Season 11 Episode 2 Promo