Yesterday (January 6) marked the start of filming on Doctor Who's eighth series since its comeback in 2005, with fans getting their first on-set glimpse of new lead Peter Capaldi earlier today.
Capaldi's casting is, Who showrunner Steven Moffat tells us, "a big declaration of intent" for the long-running sci-fi series - a "statement of [its] importance" - but how much do we actually know about the new Doctor and his upcoming adventures?
Both Moffat and Capaldi's co-star Jenna Coleman agree that the 55-year-old actor will be "so different" to his 31-year-old predecessor Matt Smith, with the show's head writer promising an "old beast" with a "snarl".
"We've got used to two brilliant iterations of the younger, more puppy-dog Doctor and [David Tennant and Matt] have both been superlative," Moffat said in November. "But now it's time for the old beast to snarl at you for a bit!