The Doctor and his companions' infiltration of the Dalek city on Spiridon, utilizing disguises and exploiting the Daleks' technological weaknesses in the ice pools.

The Doctor rallies his allies after Taron and Codal arrive with stolen explosives, confirming that Vaber has died in Dalek hands. Refusing to accept endless retreat, he pivots strategy toward …

The Doctor and Taron descend toward a rocky ice pool, whose semi-frozen waters maintain sub-zero temperatures. The Doctor explains how the Daleks’ vulnerability to cold could turn the planet’s natural …

The Doctor splits his forces to maximize their chances of stopping the Dalek bacteria bomb. Jo and Latep split from the group to infiltrate the ventilator shaft near the cooling …