Celebrity Mastermind Season 15 Episode release dates & where to watch

1. Episode 1

John Humphrys hosts as four famous faces brave the black chair. Chef Paul Rankin answers questions on Stieg Larsson's Millennium trilogy, presenter Sonali Shah on the human body, comedian Omid Djalili on Chelsea FC and CBBC's Hacker T Dog on Pet Shop Boys.

2. Episode 2

John Humphrys asks the questions as four famous faces brave the black chair. Comedian Shappi Khorsandi answers questions on Charlie Chaplin, Scott Mills's Radio 1 sidekick Chris Stark on Scott Mills, The House That £100k Built presenter Piers Taylor on Bob Dylan and Paralympian gold medallist - and opening ceremony flagbearer - Lee Pearson on British birds.

3. Episode 3

John Humphrys asks the questions as four famous faces brave the black chair. CBBC's Lauren Layfield answers questions on the Jurassic Park films, broadcaster and journalist David Aaronovitch on The Archers, BBC Breakfast's Tim Muffett on the films of Danny Boyle and double Paralympic gold medallist Kadeena Cox on Arsenal FC.

4. Episode 4

John Humphrys asks the questions as four famous faces brave the black chair. Mitch Benn answers questions on Peter Cook, BBC News presenter Reeta Chakrabarti on the life and poetry of John Keats, one half of Sam and Mark, Mark Rhodes, on the World Wrestling Federation, and double Olympic triathlon gold medallist Alistair Brownlee on the Yorkshire Dales.

5. Episode 5

John Humphrys puts four more celebrities in the spotlight as former England bowler Graeme Swann tackles the original Star Wars trilogy, Gogglebox vicar the Reverend Kate Bottley answers questions on Adrian Mole, BBC Radio 2 DJ Janice Long is quizzed on Echo & The Bunnymen and musician Paul Carrack answers questions on Sheffield Wednesday.

6. Episode 6

John Humphrys asks the questions as another four famous faces brave the black chair. Tonight's contenders and specialist subjects are BBC Watchdog presenter Michelle Ackerley on classic TV series Columbo, The Wine Show expert Joe Fattorini on the line of longitude two degrees west, Instant Gardener Danny Clarke on Sir Garfield Sobers and comedian John Finnemore on the ghost stories of MR James.

7. Episode 7

John Humphrys tests Outnumbered actor Tyger Drew-Honey on The Office, Radio 6 Music presenter Tom Ravenscroft on Warp Records, actress and presenter Maria McErlane on Unity Mitford and Terry Deary, the writer of the Horrible History books, on GK Chesterton's Father Brown Stories.

8. Episode 8

In the black chair tonight are Olympic trampoline silver medallist Bryony Page on Disney films of the 1990s, Radio 6 Music's Nemone on the books of Roald Dahl, writer Emma Kennedy on Lucille Ball and presenter of The Autistic Gardener Alan Gardner on artist Wassily Kandinsky.

9. Episode 9

John Humphrys tests Countryfile reporter Tom Heap on the Godfather Trilogy, comedian Jo Caulfield on the history of Edinburgh, Olympic taekwondo silver-medallist Lutalo Muhammad on boxer Jack Johnson and crime author Stuart MacBride on AA Milne.

10. Episode 10 Finale

Comedian Nathan Caton answers questions on the Premier League, Radio 1 DJ Dev tackles the films of Will Ferrell, Welsh grand slam-winning prop Adam Jones answers questions on the British and Irish Lions and Great British Sewing Bee judge Patrick Grant is quizzed on Ralph Lauren.