Just a few weeks after the full-length trailer debuted, BBC's Doctor Who has released a new 15-second teaser, featuring the new Time Lord, played by Peter Capaldi, who demans that you, 'Listen!' To what? We're not sure...Take a look at this brief sneak peek, then read on for more details regarding Season 8, which debuts August 23.

After first appearing in the 50th Anniversary Special and the final moments of last year's Christmas Special, Peter Capaldi makes his full series debut in the Season 8 premiere, "Deep Breath", alongside Jenna Coleman as his companion, Clara Oswald.

Confirmed Season 8 guest stars include Michelle Gomez, Frank Skinner, Ben Miller, Tom Riley, Keeley Hawes, Hermione Norris and Sanjeev Bhaskar.

British filmmaker Ben Wheatley (Sightseers, A Field in England) directed the first two episodes of the season, which were written by lead writer Steven Moffat.