On the planet Varos, prisoners and guards alike are subject to severest forms of punishment, which are then broadcast to the masses as entertainment. For the Doctor, Varos is the only hope for him to locate the rare mineral Zeiton-7 to power his ailing TARDIS. Arriving on Varos, he and Peri are soon caught up in events beyond their control. DVD Features: Audio Commentary:Actors Colin Baker, Nicola Bryant and Nabil Shaban (who played the slithery villain Sil) Featurette:Behind the scenes