Doctor Who: The Impossible Astronaut - Extra Content

The Doctor Who website have made some extra material available for this week's Doctor Who episode, The Impossible Astronaut.

There are are a number of exclusive videos, including how storyboards help create a dramatic scene and another that delivers some behind-the-scenes coverage of Matt Smith in the 'White House'.

The website also gives you the opportunity to make a Silent Mask, complete an online jigsaw or download the screensaver.

The episode is now available on the BBC iPlayer (UK only), along with My Sarah Jane: A Tribute to Elisabeth Sladen and Doctor Who Confidential: Coming to America.