The Power of Kroll The quest for the Key to Time brings the Doctor and Romana to a distant moon. They find themselves caught in the conflict between the native Swampies and the crew of a methane refinery - while, submerged in the swamps, something stirs. The Armageddon Factor Interplanetary war, betrayal and the awakening of dark forces await the Doctor and Romana on the planet Atrios, where their mission to find all six segments of the Key to Time enters its final phase... Destiny of the Daleks The Doctor and the newly regenerated Romana land on a barren world that seems strangely familiar. The Daleks are searching for a long-buried weapon in their war with the Movellans. Deep beneath Skaro, Davros waits...