But that’s a story for another episode. 😉 Would you like a visual timeline or a comparison chart of the shows’ characters and eras?
In the near future: likely 3. If you include failed spin-offs: 4 in total (if we count the unmade one).
If someone mentions “the Big Bang series,” most people immediately think of the wildly popular CBS sitcom The Big Bang Theory (2007–2019). But depending on how you define “series,” the answer can be surprisingly layered.