Pearl has always dreamed of being famous, so when she finds out that her third-grade class is performing "The Little Human, " she just knows she'll get the leading role, until she discovers it's been given to her friend Wanda.
Longing for a sea horse of her own after learning that a classmate from Trident Academy has one, Echo Reef becomes involved in a local debate about whether or not domesticated sea horses can be happy.
Wanting to help a lost baby polar bear return home, Kiki Coral and her mermaid friends worry that the cost of the bear's transportation will prevent them from seeing a concert performance of their favorite boy band.
Mermaid Echo is doing tail flips because she's going to see her favorite under-the-sea band, the Rays, but they are performing for Pearl's birthday party and everyone at Trident Academy is invited except Echo's best friend Shelly.
Jake finds that he and his cousin can change from swamp monsters into normal kids. Then they go to the third grade where his cousin causes so much trouble that Jake fears he will be stuck in the third grade forever.
The Bailey School kids set out to discover whether Eddie's new math tutor (who is also a juggler for the Bailey City Summer Festival) is really a sea serpent.
Melody and her friends believe the new crossing guard, Angela Michaels, who also happens to be a karate teacher, is really a guardian angel sent to watch over the kids from Bailey School, and maybe perform a miracle or two.
