Doctor Who (1963) Season 8 Episode 20 Colony in Space (6)

The Doctor heads to a faraway planet where he encounters a group of humans who are struggling to survive against a hostile alien race known as the Interplanetary Mining Corporation. The humans are desperate to find a new home as their own planet is no longer able to sustain them. The Doctor begins to investigate and discovers that the IMC is trying to strip the planet of its resources and destroy it completely. To make matters worse, a native species on the planet is being threatened by both the humans and the IMC, leading to a dangerous conflict. The Doctor sets out to try and restore peace while also trying to save the planet from destruction. With the help of his companion and some surprising allies, the Doctor must navigate the complex political landscape of the planet while also trying to prevent an all-out war. As tensions rise and danger mounts, the Doctor races against time to prevent the worst from happening and save the day once again.