The full moon finds Betsy withholding her big werewolf secret from Susie, who spends the night trying to figure out what her BFF is up to.

While Hedgehog is off "werewolfing," a deflated Oscar has a therapy session with Shark that helps him realize the magic within him.

When Susie learns magic is beginning to disappear from New York, she tries to lead all the magical creatures to safety.