None

Doctor Who, travels with his intergalactic sidekick, Romana, while they comb the universe for the six segments of the powerful Key to Time.The Ribos Operation: Doctor Who and Romana trace the first segment of the Key to Time to a faraway planet plagued with ignorance, con artists, spies and interminably long winters.The Pirate Planet: The search for the Key's second segment is written by The Hitchhiker's Guide to the Galaxy's Douglas Adams, and brings the Doctor to the blissful world of Zanak, whose inhabitants are unaware that pirates are in charge.The Stones of Blood: The third installment brings the good Doctor and Romana to the English countryside and an ancient stone circle known as "The Nine Travelers."The Androids of Tara: Doctor Who takes time out of his busy fishing schedule to pick up the fourth segment of the Key to Time.The Power of Kroll: "Swampies," octopoids and a host of other pitfalls beset the Doctor as he travels to the moon of Delta Magna to find the fifth segment of the Key.The Armageddon Factor: Doctor Who and Romana go to Atrios, a planet teetering on the brink of destruction in order to find the sith segment of the Key.