In respect to this, how did the twelfth Doctor die?
The fatal event itself happened during 2017 finale The Doctor Falls, where the Doctor not only had to come to terms with the fact that his companion Bill had been turned into a Cyberman, but also had to defend a village (which is itself on a huge ship) from a Cyberman invasion.
Beside above, who played the 3rd Doctor? Jon Pertwee The Five Doctors
Beside above, why was the third doctor exiled?
Having been exiled to Earth by the Time Lords as punishment for his meddling, the Third Doctor grudgingly joined forces with a pseudo-military organisation called UNIT (United Nations Intelligence Taskforce). The Master, a new recurring villain, was introduced, superbly played by Roger Delgado.
Is Nardole dead?
Nardole is mentioned by the Twelfth Doctor in Doctor Who and the micro:bit. Nardole is the only regular companion introduced under Steven Moffat to have never died on screen.
