Reunions

He-Man and She-Ra stand in the Whispering Woods, with He-Man confused about She-Ra's claim that she's his sister, having always believed he was an only child. She-Ra tells him she was as surprised, but knew it was true when she was told by "the woman in the sword," He-Man realizes she means the Sorceress, and takes the Sword of Protection to communicate with her, and she explains everything, beginning with the moment

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