Moon's dance: Cressida eagerly accepts Princess Moon's invitation to attend the annual Starlight Ball, but when Ernest the wizard-lizard causes the ballroom to disappear, the unicorn princesses must magically prepare another space. Prism's paint: After one of Ernest the wizard-lizard's spells goes awry, draining color from Princess Prism and her domain, the unicorn princesses call on the human girl Cressida to help Prism locate the Valley of Light's missing rainbow so she regain her magic and repaint the land and creatures. Breeze's blast: Princess Breeze invites her human friend, Cressida, to attend the Blast, a festival featuring kite flying, but the wizard-lizard, Ernest, has blundered again and now giant bats sleep on the kites.