An Unlikely Duo

Extras

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  Mark Gatiss on Filming Episode 1

  Sherlock Writer/Co-Creator Mark Gatiss on filming Season 4, Episode 1 of Sherlock.

  0:52
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  Martin Freeman on Episode 1

  The Sherlock actor discusses filming "The Six Thatchers."

  1:06
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  Gone to the Dogs

  The cast on working with Episode 1's dog.

  0:57
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  Cast on Episode 1

  Here's the #SherlockPBS cast reacting to the drama of episode one. Contains spoilers!

  1:09
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  Mycroft and Sherlock's Relationship

  Benedict Cumberbatch and Mark Gatiss on the brothers Holmes in Season 4.

  0:49
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  Mark Gatiss Tells 2 Truths & A Lie

  The Sherlock co-creator and actor reveals a secret or two about himself.

  0:50
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  Martin Freeman Would You Rather

  Actor Martin Freeman plays "Would You Rather?"

  2:08
• 

  Why John Blames Sherlock

  Actor Martin Freeman on John and Sherlock's relationship.

  1:29
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  Toby Jones

  Toby Jones on his role as Sherlock's latest nemesis.

  0:56
• 

  Watson Home Set Build Time-Lapse

  See the hard work that went into building the set for John and Mary's home.

  2:08