The Claws of Axos (in-universe)
From Tardis Wiki, the free Doctor Who reference
- You may be looking for the real world television story.
The Claws of Axos was a serial of Doctor Who that aired in 1971. In Red Nose Day 2013, Claudia Winkleman speculated that the surprise Dermot O'Leary wanted to give her was "an original alien duplication unit" which originated from the 1971 story. (TV: The Doctor Appears)
Behind the scenes
Important note
This is a in-universe counterpart of the real world Doctor Who television serial The Claws of Axos that exists within the Doctor's universe.