Confrontation between collective organized consciousness and individual free will: The Doctor's allies must dismantle Skagra's universal mind-control empire while preserving individuality against a force seeking to erase all independent thought.

Skagra unveils his plan to use stolen prisoners as a living Think Tank to distribute mind control across key population centers. He asserts his power under the guarantee of his …

Time is running out as Skagra prepares to eliminate the Doctor, relying on his imprisoned Think Tank to enforce his will. Romana and Clare improvise an electrical counterattack while the …

Romana and Clare disrupt Skagra’s forces by electrifying the Krargs while the Doctor uses a mind-amplifying helmet to short-circuit the stolen minds holding Skagra’s Think Tank together. Skagra’s attempt to …