The Doctor, Leela and K9 arrive to discover the exploitation of the Megropolis people by the ruling elite, lead by the Collector. Deep in the Undercity, a small group of revolutionaries plot to ...

The Doctor's original companions also steadily began to fit into basic archetypes over time, with the exceptions (like Leela or Ace ... season 15 story "The Sun Makers," which pitted Tom Baker's ...