Doctor Who Christmas Special, in which we will see the Doctor’s newest regeneration and the final appearance Matt Smith, is to be titled: The Time of the Doctor.
The synopsis :
“Orbiting a quiet backwater planet, the massed forces of the universe’s deadliest species gather, drawn to a mysterious message that echoes out to the stars – and amongst them, the Doctor.
Rescuing Clara from a family Christmas dinner, the Time Lord and his best friend must learn what this enigmatic signal means for his own fate and that of the universe.”
Above is the official teaser image.
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