‘The Clue of the Savant’s Thumb’ airs at 9pm on Monday 1 April on BBC One and, when a dead body impossibly vanishes from a locked study, it is only the first in a chain of dark mysteries confronting Jonathan Creek and self-styled paranormal investigator Joey Ross.

> Order ‘The Clue of the Savant’s Thumb’ on DVD on Amazon.

To whet your appetite, here are ten hints for the episode…

» “I’m afraid the last week of November is no good for me as I’ll be dead.”

» Watch out Maradona, here comes the real Hand of God…

» …and here comes ‘The God of What Cannot Be Explained’.

» While you’re looking for clues, keep an eye open for a hilariously anti-Fox News book title.

» “So that’s it then, pulling women out of elephants and sawing rabbits in half, that’s all done with?”

» Sorry folks, the Right Rev. Lesley Clitoris does not make an appearance.

» Look out! A Weeping Angel! Oh, maybe not…

» “I got to keep my male genitalia. I keep it in a jar in my production office.”

» A rejected title for this episode could be, ‘Jonathan Creek and the Mystery of the Un-pitched Weetabix Account’.

» Oh, DI Pryke, who knew rescuing a puppy could be so life-threatening?!

Are you looking forward to ‘The Clue of the Savant’s Thumb’? Let us know below…

> Buy the complete series boxset on Amazon.

Watch the trailer for the 2010 special…