

12 seasons, 279 episodes, and one awkward goodbye to the nerdiest family on TV.
Johnny Galecki and Kaley Cuoco host a retrospective look at The Big Bang Theory (2007), sharing backstage secrets, unforgettable clips, personal memories, favorite moments and tours of the iconic sets.
Production
Set tours of Sheldon's spot and that infamous elevator.
Acting
Cast chemistry still crackling 12 years later.

Director
Chuck Lorre
Trivia, insights & behind the scenes
The apartment set was preserved intact at the Warner Bros. Studio Tour after filming ended—a rare move for sitcoms.
Jim Parsons reportedly declined a staggering $50 million for two more seasons, making this farewell his deliberate choice to walk away at peak popularity.
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