Scootaloo and The Cutie Mark Crusaders go off to discover how Rainbow Dash earned her cutie mark, but they keep getting sidetracked by the rest of the mane six who want to share their own stories, which are all about finding your true self and boring stuff like that. Can she brave the mad feels and musical numbers, or will she never learn the awesome way to earn a cutie mark?

Find out about the red string, quantum and classical physics, and whether David will ever like a Cutie Mark Crusader episode in this week's Brony Quest.