Where To Stream Mastermind Season 2026 Episode 23

Four more contenders face the black chair under the spotlight and the ticking clock in an attempt to become the next Mastermind champion. Clive Myrie hosts and asks the questions on the contestants' specialist subjects, which are the London 2012 Olympic Games, the architect Frank Gehry, British waterfowl and wading birds, and the BBC's House of Cards trilogy.