Prof. Cawston arranges for Stephen to demonstrate his abilities to Col. Masters and Tricia, but the latter is aware that Stephen is deliberately making mistakes. Stephen goes undercover at a hostel planning to allow Col. Masters to kidnap him. Despite knowing that it is a set-up, Tricia and Masters take the Stephen, injecting him with a drug to render him unconscious, and the professor. Back at the research centre, Prof. Cawston is shown Tyso and Stephen connected to life support machines and drugged by Synaptol. The professor is tasked with reviving them, while preventing them from jaunting. Tricia takes an unconscious Prof. Cawston back to his office, planting bugs and a video camera on him before he awakes. The professor comes to and calls John and Elizabeth, telling them that he has found Stephen and Tyso.
Aired: 5 Mar 1975