02. The Witch's Familiar
Trapped and alone in a terrifying Dalek City, the Doctor is at the heart of an evil Empire. No sonic, no TARDIS, and nobody to help.
03. Under the Lake
When an Underwater Base comes under attack, the Doctor and Clara must save the frightened crew and defeat an impossible threat.
04. Before the Flood
On a remote Army outpost, a fearsome alien warlord, the Fisher King, sets in motion a twisted plan to ensure his own survival.