Sun reports on companions for Tennant's finale: possible spoilers

The Sun has a story about the companions who will accompany the Tenth Doctor in his last story, and the story's antagonist. The information, if true, may be considered a spoiler; click the box below for details if you wish.

Please note that this has not been confirmed by any official source.

David Tennant will appear in four more special episodes of Doctor Who. One will air around Easter, and the other three will air around Christmas 2009 and New Year's 2010. The last two specials form a two-part story; this is the story which the Sun's news concerns.

Thanks to James Robertson.