My Little Pony: Vriendschap is betoverend - A Royal Problem

Seizoen: 7 - Aflevering: 10 / 155 - Eerst uitgezonden: 10 juni 2017 - Episode ID: 1520167

Starlight Glimmer is sent to solve a friendship problem between Princess Celestia and Princess Luna; when it's clear that the problem is that the royal sisters don't appreciate one another, Starlight impulsively switches their cutie marks!