Gallifrey is under attack by a mysterious force, and it seems that the Doctor is a traitor. Can he uncover the real villains before they completely destroy the planet Gallifrey…
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Episode 1
Leela is concerned by the Doctor’s strange behaviour when, after a
secret meeting with aliens, he returns to Gallifrey and abruptly stakes
his claim on the Time Lord presidency.

Episode 2
The Doctor is made president of the Time Lords and immediately
orders K9 to lower the planet’s defences and has Leela banished to the
wilderness.

Episode 3
The Doctor has betrayed his own people and enabled a Vardan
invasion of Gallifrey. Leela joins forces with the Outsiders and prepares
to strike back against the aliens.

Episode 4
As the Vardans finally fully materialise on Gallifrey, the Doctor
prepares to spring his trap. But does a more deadly alien force lie
behind the Vardans?

Episode 5
The Sontarans have taken control of the Capital on Gallifrey and intend
to use the power of the Time Lords to rampage through all of time.

Episode 6
Stor, the Sontaran leader, finally gains access to the TARDIS in search
of the Great Key of Rassilon and a dangerous game of hide and seek
begins inside the Doctor’s ship.