Season 3, Episode 18 - "The Dweller in the Depths"
30 October, 1986
The Quintessons trick the Decepticons into releasing the dangerous Trans-Organics. One of them, the Dweller, begins taking control over Autobots and Decepticons alike.
The Quintessons trick the Decepticons into releasing the dangerous Trans-Organics. One of them, the Dweller, begins taking control over Autobots and Decepticons alike.