TMDb/The Big Bang Theory Celebrity Jim Parsons calls The Big Bang Theory's space storyline the show's most ridiculous plot. April 26, 2026 AceShowbiz - Jim Parsons recently expressed his thoughts on one of the most over-the-top plotlines from the hit sitcom The Big Bang Theory. During an April 20 appearance on Watch What Happens Live, the 53-year-old actor was asked to identify the "most ridiculous" storyline from the series. Parsons replied with a chuckle, saying, "They were all rather silly, right? I mean, we went to space.