Force Five : Starvengers 1981

Compilation film by Jim Terry "Eons in the future Dr. Copernicus, a man of ingenious intelligence, works in his laboratory perfecting what will become the ultimate in advanced technology, a mechanism of extreme proportions, with all the capabilities of excellent combat amid interstellar battlefields. It has been named STARVENGER, a robot superior in defense as well as an unbeatable force in conquering the enemy. The craft with its three robot components Star Dragon, Star Arrow and Star Poseidon, will be put to test in the invasion of the militaristic Pandemonium Empire, led by the crafty and wicked General Ramzorch. STARVENGER and the conventional armies of Earth join forces to save the universe from the evil domination of Pandemonium. STARVENGERS™ will jet you into thriling excitement like no other animated science-fiction feature." - Back of the VHS cover description