'Doctor Who' Writer Breaks Down This Season's Most Terrifying Episode

Mark Gatiss spills the secrets of "Doctor Who" -- from Sonic Sunglasses to "Sleep No More" to the differences between Capaldi and Smith.

'Sherlock' Boss Reveals The Christmas Special Is About 'The Role Of Women'

Mark Gatiss reveals why women will have an extended role in the "Sherlock" Christmas special.

'Doctor Who': 9 Burning Questions For 'Robot Of Sherwood'

Writer Mark Gatiss and actor Tom Riley help answer everything you need to know about the latest episode.

Here's How 'Doctor Who' Pulled Off That Insane Spoon Fight

Turns out, that "Doctor Who" spoon fight from "Robot Of Sherwood" was "the hardest thing" guest star Tom Riley has ever had to do.

'Doctor Who': How The 'Robot Of Sherwood' Got His Hilarious Laugh

Writer Mark Gatiss and actor Tom Riley preview this week's (hilarious) episode of "Doctor Who," and explain how the "Robot of Sherwood" got his infectious laugh.