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First look at 'TARDIS Crew', brand new CBeebies animated adventure from the Whoniverse | Doctor Who
(www.doctorwho.tv)
Created for CBeebies viewers, the series follows the Doctor, a young Time Lord, and his friends Hannah, Beastie and Toast-IE as they embark on extraordinary adventures through time and space. Travelling aboard the iconic TARDIS, they encounter incredible creatures, discover amazing new worlds and come face-to-face with legendary Doctor Who foes, including the Daleks. (...)
Across 52 eleven-minute episodes, families will join the TARDIS Crew on unforgettable journeys where friendship, teamwork and quick thinking can change everything. (...)
Doctor Who: TARDIS Crew will arrive on CBeebies and BBC iPlayer in late 2027/early 2028.
I don't understand the relevance as that had nothing to do with the regen cycle cap.
I guess you don't, though I did repeatedly explain how it relates ๐คท
Have a nice day.
You two are talking past each other. Because you are both right.
Let's recap what we actually know about Regeneration: Regeneration in Timelords is the result of a mutation. This mutation either occurred naturally through prolonged exposure to the time vortex (see A Good Man Goes To War) or was the result of genetic engineering, either from Rassilon himself (see Big Finish: Day Of The Master) or Techteun (see The Timeless Children). It gives the Timelords an internal storage of so called 'Regeneration Energy' (see The Magicians Apprentice / The Witches Familiar) that's used up during a regeneration. Each Timelord has only a limited amount of this energy and can't produce new ones. If not enough energy is left to make it to a new body, they die.
Those rules apply also to the Doctor, because they have undergone a Chameleon Arch transformation, making him, biologically speaking, into a Timelord.
However, the chameleon arch is a solution to a problem Chibnal himself introduced. A retcon you might say. So how might the regeneration limit have been solved if he had never become showrunner?
Well, we don't actually know how much Regeneration Energy a Timelord is capable of storing. We know how much energy they hold, enough for 12 regenerations. But that doesn't mean that's all they can hold.
Which brings us to The Time Of The Doctor. The Doctor is gifted new Regeneration Energy. We don't know how much. It might be enough for 12 regenerations it might be 1200.
The limit technically still exits, but the vagueness allows future writers to kick this can down the road indefinitely.
but was it established that the Doctor had the Chameleon Arch used to become a Time Lord? not discounting the possibility (in fact would allow to retcon the Timeless Child Arc thus eliminating the need to bring it up ever again) I just don't recall that being how the Time Lords hid their existence
We know that the Doctors memories are locked inside a pocket watch (see Survivors Of The Flux). It's never clearly stated that the Arch was used, but it is the only established mechanism for locking memories inside such a watch.