Season 03, Episode 23 – “Back to the Moon”
The dispatch team of Rubies return to the barn still searching for Jasper. To try and get them to go away, Amethyst shapeshifts into her. However, things get awry when the Rubies want her to contact Yellow Diamond at the Moon Base, with Steven, Garnet and Pearl as her “prisoners”.
A coming-of-age story told from the perspective of Steven Universe, a chubby and happy-go-lucky boy, who is the youngest member of an intergalactic/ethereal team of warriors known as the Crystal Gems.