United Kingdom, July 18 -- Jim Parsons "wouldn't do" The Big Bang Theory again as it made him "miserable".

Although the 53-year-old actor's mental health stopped him from enjoying his success on the CBS sitcom, of which his performance as Sheldon Cooper bagged him multiple awards, Jim would not change a thing because the show opened doors for him.

Reflecting on The Big Bang Theory, the star said on the latest episode of All Out with Jon Dean podcast: "I look back now and realise that there were many ways, at some of the best moments in my life, I was miserable. I was not happy. I was stressed.

"I felt that there was so many plates I was supposed to be keeping in the air and that the success and the good things of life that were happeni...