Written by Norman Ashby (Mervyn Haisman and Henry Lincoln)
"But Jamie, it's a brilliant idea! It's so simple only you could have thought of it!"
| Episode Title | Premiere Date |
| Episode 1 | 10/08/1968 |
| Episode 2 | 17/08/1968 |
| Episode 3 | 24/08/1968 |
| Episode 4 | 31/08/1968 |
| Episode 5 | 07/09/1968 |
Dulkis: planet of harmony and enlightenment, home to the peaceful Dulcians, an oasis of calm in the cosmos — and completely defenseless. The Doctor, Jamie and Zoe arrive to find Dulkis enslaved by the cruel Dominators and their deadly robotic servants, the Quarks. The pacifist Dulcians offer no resistance. Can even the Doctor save a people who are willing collaborators in their own destruction?
Cast & Crew
The Doctor: Patrick Troughton
Jamie McCrimmon: Frazer Hines
Zoe Heriot: Wendy Padbury
Rago: Ronald Allen
Toba: Kenneth Ives
Tensa: Brian Cant
Cully: Arthur Cox
Senex: Walter Fitzgerald
Quarks (voices): Sheila Grant
Producer: Peter Bryant
Director: Morris Barry
Scriptwriter: Norman Ashby (Mervyn Haisman and Henry Lincoln)
