PrimeWire

You can now watch the entire Celebrity Mastermind Season 17 Episode 4 movie online in high-definition quality, complete with English subtitles for a better viewing experience. Best of all, there’s no need to download anything—simply stream it directly from your device anytime, anywhere.

John Humphrys puts four celebrities to the test in another episode of the classic quiz. Taking part are comedian Elis James, Love Island's Montana Brown, actress Madeline Smith and Casualty actor George Rainsford. They answer questions on the Welsh Football Team, Desperate Housewives, Kew Gardens and the Back to the Future Trilogy.