I’ve never been particularly fond of the Cybermen; they were alright during William Hartnell’s run in black and white, but I didn’t think much of them afterward. This story finds Tom Baker, Sarah Jane (Elisabeth Sladen), and Harry (Ian Marter) returning to the Nerva Beacon, only to find that the TARDIS has messed up the timeline once more. They quickly realize their metallic foes have returned with a destructive agen…