Donna is determined to find the Doctor again.
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Psychic powers and stone beasts run riot in old Pompeii, but can Donna dare the Doctor to change established history?
The Doctor takes Donna to her first alien world.
Martha Jones summons the Doctor back to modern day Earth, but an old enemy lies in wait.
As the Sontarans choke the Earth, the Doctor battles to keep both Martha and Donna alive.
Caught in the middle of a war between the Humans and the Hath in the planet Messaline, the Doctor finds himself once again a father.
With a 1920s dinner party turning into a murder mystery, the Doctor and Donna meet Agatha Christie on the eve of her publicized disappearance.
The Doctor and Donna enter a world of terror inside an abandoned library.
As the shadows rise, the Doctor forges an alliance with the mysterious River Song.
The Doctor is trapped on the planet Midnight, as the knocking on the wall begins...
Can Donna and Rose stop the approaching Darkness?
Earth's greatest heroes assemble to fight the New Dalek Empire. But a fearsome old enemy waits in the shadows....
As Davros and the Daleks threaten the entire universe, the Doctor's companions join forces. But the prophecy declares that one of them will die....