Sgt Janet Wharry was sent to find Alistair Gordon Lethbridge-Stewart before a training exercise. She encountered the Fifth Doctor, Tegan Jovanka and Vislor Turlough during the training exercise. Chasing after the Doctor with Tegan she encountered Prodigal. She was fused with the jeep to ferry her troops around. She was freed the the connection to the autons was severed and accompanied the Doctor to face the Tremas Master. She went with Veronica Holmes to disconnect the Auton doctor from the control systems. (AUDIO: The Auton Infinity)