Ep 6. The Tenth Planet (2)

In Doctor Who season 4 episode 6, titled "The Tenth Planet (2)," the Doctor and his companions, Ben and Polly, continue their adventure on the planet of Mondas, which they discover is the long-lost twin planet of Earth. The planet is on the verge of destruction due to gravitational forces caused by its proximity to Earth, and the cybernetic inhabitants are attempting to use their advanced technology to survive.

However, the Doctor and his companions soon discover that the Cybermen have a more sinister plan in mind. They are determined to convert all humans into cybernetic beings, which will make them the ultimate rulers of the universe. The Doctor must race against time to stop the Cybermen and save humanity from their terrifying fate.

As the Cybermen continue their invasion, the Doctor and his companions team up with a group of human scientists who have been working to stop them. The team faces several challenges along the way, including a tense showdown with the Cybermen and the discovery of a hidden Cyberman base.

Throughout the episode, the Doctor must use all of his wits and skills to foil the Cybermen's plans, and he puts himself in danger multiple times to protect his companions and the humans they are working with. As the episode reaches its climax, the Doctor must make a difficult decision that will have far-reaching consequences for both himself and the universe at large.

Overall, "The Tenth Planet (2)" is a thrilling, action-packed episode that will keep viewers on the edge of their seats. With its iconic villains, high stakes, and emotional moments, it's a must-watch for both Doctor Who fans and sci-fi enthusiasts.