Episode 10
A series of earthquakes rocked the foundation of a hydroelectric dam, one after another, day and night, non-stop. There were no reported fault lines, so this supernatural phenomenon was reported to the D-Force, who instantly thought it was the work of a dinosaur. Late one afternoon, their hunch was proven correct!
Aired 09/12/1977EP 10 - Episode 10

1977
Attack of the Super-Monsters
Japan is being besieged by evil Dinosaurs that humanity have long thought extinct, they are back and are creating disaster. To counter the threat, a special team of expert warriors called Aizenborg were created. Lamees and Kamal use their special powers to combine into Super Aizenborg to battle the evil Satola and his Dinosaur army.
(Source: Anime News Network)