A force of ten thousand Daleks is coming to life below the surface of Spiridon.
To prevent the Daleks from releasing their plague, the Doctor infiltrates their base.
The Daleks are preparing a deadly bacteria to kill all life on the planet.
In the Dalek city, the Doctor breaks out of his cell and joins forces with the Thals.
The Doctor awakes from his coma, befriends some Thals but is captured by the Daleks.
The Doctor asks the Time Lords to send the TARDIS after the Daleks.