For a chance to win, just follow CultBox on Twitter and tweet the following text:

Follow @cultboxtv and RT for a chance to win one of 3 complete ‘Jonathan Creek‘ Series 1-4 boxsets – Info: http://bit.ly/10vKs4j #CreekCB

> Pre-order ‘The Clue of the Savant’s Thumb’ on DVD on Amazon.

Guest starring Rik Mayall, Joanna Lumley, Sarah Alexander and Nigel Planer, ‘The Clue of the Savant’s Thumb’ aired last night and is currently available to watch on BBC iPlayer. 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.

This competition has closed. The winners are Laura Caraher (@LCaraher) from Inverness, Kellyjo Walters (@wild_coconut) from London and Sarah Fleck (@ser_) from Bedlington.

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Employees and contributors of CultBox.co.uk and their families are not eligible to enter. The judge’s decision is final and no correspondence will be entered into. The prize may not be transferred to any other person. No cash alternative or alternative prize is available on entrant’s request, but in the event of the advertised competition prize being unavailable we reserve the right to offer an alternative prize of equal or greater value. Entry in the competition implies acceptance of these rules.