Planet of the Ood - Preview:
Saturday evenings, BBC One.

Donna & The Doctor attacked by The Ood:
It's Donna's first visit to an alien world and things aren't what she thought it would be. Already she wants to go home, and with the Doctor and her in handcuffs they hear some terrible truths about the human race. But when the Ood's eyes turn red you know there is going to be trouble

The Ood Attack!:
The Doctor and Donna discover the truth behind Ood Operations but it might be too late as the Ood take matters into their own hands...

Halpen Transforms Into An Ood!:
Mr Halpen realises that Ood Sigma hasn't been giving him hair tonic to drink but something far more sinister...

Credit: BBC Worldwide