Farewell hard says Tennant

David Tennant has admitted that hanging up his coat for the final time in Doctor Who was a difficult and emotional time. He was speaking at the London launch of the Second of this years specials "Waters of Mars". He also said that he was jealous of Matt Smith who is taking over the Tardis. The Waters of Mars is to be broadcast on BBC1 on Sunday 15 November at 7pm.

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