"The Big Bang Theory" is a popular American television sitcom that aired from September 24, 2007, to May 16, 2019. The show has a total of 12 seasons, with 279 episodes. Below is a general outline of the seasons and the number of episodes in each: 1. **Season 1**: 17 episodes 2. **Season 2**: 23 episodes 3. **Season 3**: 23 episodes 4.
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