The BBC Doctor Who website have now uploaded a prequel video for 6.1: The Impossible Astronaut.

The two-minute clip features non other than President Nixon in the Oval Office, and introduces us to the new threat that The Doctor will be facing in the episodes to come.

Watch the clip below:

Stay tuned as the BBC Doctor Who site have confirmed that a new promo image will be released at 12:01am Tonight!

[Source: BBC Doctor Who website]