The Master has returned in the latest series of Doctor Who and let's take a look at where he fits in the Timeline and how he could have survived his encounter with well... himself and herself last time we met him.
The Master has had a long history of prolonging his life and for half his appearances he was actually past his 12 regeneration limit.

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Music from bensound.com and purple-planet.com and freesfx.co.uk
This Video is for educational purposes with commentary.
"Future Gladiator" Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 3.0 License
http://creativecommons.org/licenses/b...