Doctor Who: Bred for War - The Sontaran Collection

THE TIME WARRIOR: The Doctor is called in by UNIT to investigate when a number of scientists go missing from a top security institute. Following the kidnappings back in time to the Middle Ages, he is unaware that investigative journalist Sara Jane has stowed aboard the TARDIS.
THE SONTARAN EXPERIMENT: Transmitting down from Nerva Beacon, the Doctor, Sarah and Harry find themselves on Earth in the far future, long-since abandoned by the human race. But it soon becomes clear that they are not alone; a shipwrecked crew of Galsec colonists are being hunted down, one by one. What is the creature that lives in the rocks and what is the purpose of the lethal tests it is conducting? Can the Doctor ensure the safety of the Earth for the future generations of Mankind?
THE INVASION OF TIME: The Doctor is behaving very oddly. After signing a treaty with enemy aliens, he returns to his home planet, Gallifrey and demands the Presidency of the High Council of Time Lords. His first act of rule is to banish Leela to the wastelands on pain of death. His second is to sabotage the planets defence barriers, enabling full scale invasion. Why has the Doctor joined forces with the militaristic Vardans? Is he out for revenge against the Time Lords? Or does he have a hidden agenda? But his allies are also hiding a dark secret, for behind them is a familiar enemy waiting for the right moment to attack.
THE TWO DOCTORS: Whilst investigating unauthorised experiments into time travel aboard Space Station Camera, the Second Doctor and Jamie come under attack from the war-like SontaransElsewhere, the Sixth Doctor and Peri also decide to pay a visit to Camera. They find the station abandoned, but discover Jamie, half-crazed, hiding in the ducting. And he tells them that the Doctor has been murdered.