The Doctor's regenerations (The Curse of Fatal Death)

After being killed by a stray laser, lying on the floor, the Doctor started to regenerate. The Master stated that the Doctor was only on his ninth body and that he had “many many more”. (TV: The Curse of Fatal Death)

Ninth Doctor’s regeneration
The Ninth Doctor started to regenerate after being killed by a stray Dalek laser. His final moments were used to talk to his partner Emma in perfect Tersuran. After he died, the Master stated that regeneration was the miracle of the Time Lords which was proceeded by the Ninth Doctor’s change into the Tenth Doctor. (TV: The Curse of Fatal Death)

Tenth Doctor’s regeneration
to be added

Eleventh Doctor’s regeneration
to be added

Twelfth Doctor’s regeneration
After being hit with pure zectronic energy the Twelfth Doctor was permanently killed as it stopped the regenerative process. Though the universe couldn’t bare to be without the Doctor and his regeneration was triggered creating the female Thirteenth Doctor. (TV: The Curse of Fatal Death)

Other matters
The Eighth Doctor saw potential futures, one of which where he regenerated into this Ninth Doctor. (PROSE: The Tomorrow Windows) The Twelfth Doctor’s final words before regeneration were “look after the universe for me, I’ve put a lot of work into it”. These exact words were uttered by another Twelfth Doctor when he believed he was to die. (WC: Prologue)