2/4 Kamelion has taken the TARDIS to Sarn and is trying to locate his master.
1/4 Peri Brown wants a break from her stepfather, but the Master has other plans.
2/2 The survivors of the prison station fight the Daleks.
1/2 Davros is held captive aboard a prison in space but the Daleks launch a rescue attempt.
The Doctor has to find a way to break the Tractators' hold over Frontios.
Turlough's race memories of the Frontios threaten to overwhelm him.