To celebrate the release of this special edition of acclaimed BBC drama Sherlock (series 3), starring Benedict Cumberbatch and Martin Freeman, we've got 3 copies on DVD to be won, courtesy of BBC Worldwide.

Closing date: 27/11/2014

terms & conditions

1. This competition is only open to UK residents aged 12 and older, excluding BOOM's friends and family and anyone else directly associated with this promotion.

2. The prize is a copy of a special edition of Sherlock series 3 on DVD. We have three DVDs to give away.

3. The winner will be drawn at random from all the correct entries, and only they will be contacted personally. The prize must be taken as stated and cannot be deferred. There will be no cash alternatives.

4. One entry per person - and yes, we will check. If we find that you have entered multiple times, we will disqualify you from this competition. Repeat offenders will be disqualified from entering future competitions. And we don't like robots, so we investigate multiple entries and entries suspected as being from robots will be deleted.

5. Closing date for entries is midnight on 27/11/2014.

6. Winners will be notified within 7 days by email. If a winner does not respond with their posting details 7 days after we sent them the initial notification email, their prize will be offered to another person following a subsequent further draw. This process will repeat until somebody responds and tells us where to send the prize. If you're entering, please remember to check your emails!

About Sherlock series 3:

Calling all Sherlock fans – this is what you’ve been waiting for! Sherlock Series Three: Special Edition is being released on BBC DVD for the first time ever and includes exclusive never-seen-before footage.

Benedict Cumberbatch and Martin Freeman return as the crime-solving duo of Holmes and Watson for the award-winning third series but this time with brand-new bonus material that is a must have for all Sherlock fans.

Sherlock Series Three: Special Edition includes the whole of series three with original bonus features along with the exclusive special content which includes brand new commentaries and never-seen-before outtakes, as well as a previously unreleased deleted scene and documentaries, all available on both Blu-ray and DVD formats from 3rd November 2014.