Doctor Who at Comic-Con 2012: Cast reveal their mission

The Doctor Who cast, Matt Smith (The Doctor), Karen Gillan (Amy Pond), and Arthur Darvill (Rory Pond) are in the US attending the annual Comic-Con convention 2012.

The Pond duo will be leaving the show this season in what is expected to be a teary last episode. The new companion Jenna-Louise Coleman will take over in the Christmas Special 2012 episode, thereby starting a new series of adventures with The Doctor.

Back to Comic-Con, the cast expressed their feelings about coming to America and how the fans have showed their support. And they reveal their top secret mission of their visit to Comic-Con!

Find out in the clip below!

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