Doctor Who #63: The Mutants

Data
Title: Doctor Who: “The Mutants”
Year: 1972
Network: BBC
Episodes: 6, at 25 minutes each; the fourth story (of five) from season nine
Creators: Sydney Newman, C.E. Webber, Donald Wilson
Director: Christopher Barry
Writers: Bob Baker, Dave Martin
Starring: Jon Pertwee, Katy Manning
Music: Ron Grainer (theme); Tristram Cary
I saw it: on video (rented from Netflix), over the past few days
Synopsis: a planet's inhabitants are exploited by imperial humans

My reaction
Concept:
Story: Might have been okay, but the ending ensures a solid "terrible."
Characters:
Dialog:
Pacing:
Cinematography:
Special effects/design:
Acting: Most are fine, but at least one of them literally could not be worse.
Music:
Subjective Rating: 4/10 (Eh, ). Slow and unoriginal. The Doctor is passive. There's a lot of hanging out in mines. What is it with mining in classic Doctor Who? They were crazy about mines.
Objective Rating (Average):