Doctor Who - Planet of the Daleks (6)

Seizoen: 10 - Aflevering: 20 / 350 - Eerst uitgezonden: 12 mei 1973 - Episode ID: 75829

The planet Spiridon, the year 2540. The Doctor and Jo arrive on the trail of the Daleks, and find unexpected allies in the shape of a Thal suicide squad. But what has brought the Daleks here in the first place?