Loo-Kee Lends a Hand

Loo-Kee, while trying to find a hiding place, is stunned to find the entire Whispering Woods frozen in place by an Evil Horde machine. He is summoned to the Crystal Castle where Light Hope reveals to Loo-Kee that Adora (who is also frozen, along with Spirit) is really She-Ra, and that he must go to Eternia and find her brother, Prince Adam, who Light Hope also reveals to be He-Man. Light Hope opens a portal to Eterni

Episode of She-Ra: Princess of Power (1985-1987), Filmation.