To all Doctor Who fans - do not read on if you don't want to know what happens at the end of series three.
A surprise is in store...
Doctor Who bosses have found a way to prevent the much-loved Time Lord from dying out.
By giving him a son.
The revelation will be made at the end of series three, which also sees the introduction of actress Freema Agyeman, who replaces Billie Piper as the Doctor's new companion, Martha Jones.
The Doctor, currently played by David Tennant, only has thirteen lives according to lore, and is now on his 10th regeneration.
And writer Russell T Davies, who is in charge of the revamped show, decided something needed to be done in order that the programme doesn't die out.
A source told the Daily Express: "Since there are only two regenerations left, the BBC needs a plan to make sure the show can carry on.
"Last year in one of the episodes it was hinted that the Doctor had a child following a doomed love affair with someone from a forgotten planet.
"Russell will unveil his big bombshell that he really is a dad in next year's series finale."
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