Comic adventure starring the hapless inventor and his canine companion. Wallace and Gromit's new bakery business faces danger when the 'Cereal Killer' targets the town's bakers. Show more

The TARDIS returns to present day Earth, where Sarah is caught in a rock fall and becomes possessed by the fossilized stone hand of the alien Eldrad.

At the nuclear power station, the stone hand has come to life and is determined to gain access to the reactor core.

The hand has used the nuclear energy to regenerate itself into the female form of the alien Eldrad, who demands that the Doctor return her to the planet Kastria.

On the dead world of Kastria, the Doctor and Sarah begin to suspect that Eldrad has not been entirely truthful with them.