Skooled! / Booth Buddies.Skooled!: Pony Head returns to St. Olga's Reform School, just as Meteora breaks in with Gemini and Rasticore to find the school's founder, the robot St. Olga. She then hacks into her and discovers her origins: King Shastacan gave her to her as a baby, who then raised her into becoming Heinous. Believing they intend to retake the school, the princesses fight them but are defeated, with Meteora taking Pony Head's horn. Terrified of her, Rasticore tries to flee, but Meteora destroys Gemini, revealing that he is a robot, and the resulting explosion reduces him back to an arm. Meteora then takes Rasticore and announces her intentions to retake the throne of Mewni for herself.
Booth Buddies: During Foolduke's and Ruberiot's wedding, Star finds photo-booth and drags Marco inside to take a photo. However, Star is unsatisfied with it and forces Marco to redo them until they're perfect. The photo-booth eventually breaks down, locking them inside. The photo-booth repair goblin, Ben Fotino, claims that the booth is magic and that they must take a sincere photo for it to release them. Star and Marco discuss how their relationship has been since she confessed that she had a crush on him before finally taking a sincere photo that ultimately leads to them kissing, leaving them both flabbergasted and dumbstruck. Ben then reveals that he actually locked them inside in hopes this would happen, having deduced they had feelings for each other. Afterwards, Star and Marco agree to keep this between them.