Protectors of Universe (1983)
Evil Green Alien with the armed fleet of spaceships attack Orion, the planet of calm and happiness. King orders hos kids to leave while they're still alive so they may rebuild it when they'll be older. They find refuge on Planet Earth. Ultimately they join forces with Earthling s and decide to go back to Orion and help their planet! Hard to find and very rare Korean anime produced by Digiview productions. Directed by Larry M. Jackson.