The Terileptil Leader’s obsessive pursuit of the Doctor and the TARDIS’s secrets, manipulating interrogations and android forces to assert dominance over alien technology and captives.

The Terileptil Leader subjects Tegan and Adric to intense interrogation, probing for details about the Doctor's origins and knowledge. His menacing demeanor escalates as he declares his awareness of the …

The sensor alarm in the control room spikes into shrill warning and the Terileptil Leader reacts without hesitation. Sensing an opening among the fleeing companions, the scaled commander seizes the …