Doctor Gorpon happened in 1991-06.
The ISBN of Doctor Gorpon is 097452056X.
He'll regenerate into the 13th Doctor.
He will regenerate into the 12th Doctor.
Doctor Pong happened in 1975.
Castrovalva - Doctor Who - happened on 1982-01-12.
The Visitation - Doctor Who - happened on 1982-02-23.
The Awakening - Doctor Who - happened on 1984-01-20.
Robot - Doctor Who - happened on 1974-12-28.
Dragonfire - Doctor Who - happened on 1987-12-07.
Underworld - Doctor Who - happened on 1978-01-28.
Terminus - Doctor Who - happened on 1983-02-23.
The Doctor Who Role Playing Game happened in 1985.