A 32-minute documentary about the production of the series.

The stars of Sherlock, Benedict Cumberbatch and Martin Freeman, talk in depth about the success of the first season and look ahead to season 2. This bonus feature also includes the show's creators, Steven Moffat and Mark Gatiss, discussing the dilemmas and pitfalls they faced when bringing these classic Holmes stories into the 21st century.

Anderson believes that Sherlock is still alive after the Reichenbach fall. He confides in Lestrade and tells him his theory for his existence. Anderson believes a string of events ranging from Tibet to India to Germany involve Sherlock's assistance, and this is due to Sherlock not being able to stop investigating. Lestrade tells him Sherlock is definitely dead and goes to visit John, who has moved out of Baker Street following his death. He gives him some of Sherlock's old items, including a video message from John's birthday. In the message Sherlock states that he will see John very soon and tells him to have a good birthday without him as he is 'busy'.

Find out how writers Steven Moffat and Mark Gatiss created the television hit Sherlock, taking Sir Arthur Conan Doyle's original adventures of the Victorian super sleuth and transforming them into a worldwide sensation. And we go behind the scenes on set with the stars of Sherlock. Featuring interviews with lead actors Benedict Cumberbatch and Martin Freeman, and Sir Arthur Conan Doyle.

Sherlock's back! The world's greatest detective comes back from the dead. But how did he do it? We go behind-the-scenes of the first episode cast read-through, with Benedict Cumberbatch and Martin Freeman where the answer to television's greatest mystery was first revealed. And we uncover the unlikely friendship between Sherlock Holmes and Dr John Watson.

The stars of Sherlock talk about the women in the life of TV's greatest detective. Sherlock Holmes may be great at solving mysteries, but he's clueless about women. We launch an investigation into the women in Sherlock's life. Mary Morstan is marrying his best friend. Irene Adler stole his heart. He doesn't know Molly exists. And Mrs Hudson's always there to pick up the pieces.

We meet the great villains who've battled with TV's greatest detective. There's Jim Moriarty, his nemesis. There's Charles Augustus Magnussen, the only man Sherlock Holmes truly hates. And then there's Mycroft Holmes - Sherlock's brother and the last word in sibling rivalry. All of them have had influence over those closest to Sherlock. And all of them cause him grief.

Sherlock Holmes and Doctor Watson investigate a mysterious ghostly bride who appears to have committed murder from beyond the grave.