United Kingdom, Dec. 10 -- Simon Cowell feels he's risking his reputation with his new Netflix show.

The 66-year-old music mogul stars in a new docuseries called Simon Cowell: The Next Act, which explores his efforts to find a new chart-topping boy band, and Simon admits that his reputation is on the line.

Simon - who has previously enjoyed huge success with groups like One Direction and Fifth Harmony - says on the show: "I've put my head on the block. If it doesn't work, it would feel like the end."

Asked what it would be "the end" of, Simon simply replied: "My career."

Simon is determined to prove that he can still identify and develop musical talent.

The executive explained: "If I can't get it right now, I have to accept that I've...