Mastermind - Season 2026 Episode 17 -

The search for the nation's Mastermind continues as Clive Myrie tests four more contenders on their specialist subjects and general knowledge under the glare of the spotlight and the ticking clock.The specialist subjects are the Great Reform Act of 1832, the castles of South Wales, the works of the television animators and puppeteers Oliver Postgate and Peter Firmin, and the band Maroon 5.