Doctor Who (1963) Season 16 Episode 8 The Pirate Planet (4)

The Doctor and Romana have landed on the planet Calufrax, which has been mined nearly to its core and appears to be hollow. While exploring, they discover that the planet's inhabitants are enslaved and forced to work in the mines by a robotic ruler called the Captain. They also encounter a band of space pirates who are planning to rob the planet's wealth. The Doctor and Romana must navigate the dangerous politics and treacherous alliances of Calufrax, all while trying to stop the pirate captain from destroying the planet entirely. As they delve deeper into the workings of the planet, they discover a horrific secret about the Captain's true intentions that could mean the end of the universe as they know it. The Pirate Planet is a wild ride full of swashbuckling adventure, intrigue, and some truly unforgettable enemies.