When his friend, the tadpole, becomes a frog and leaves the pond to explore the world, the little fish decides that maybe he doesn't have to remain in the pond either. A fable about a fish who learns from a frog how to be happy just being himself.

Paired together after a veteran detective retires, Platypus Police Squad members Rick Zengo, a hotshot rookie, and Corey O'Malley, a hard-nosed old-timer, struggle with their differences while tackling their first case involving a missing schoolteacher and a duffle bag filled with illegal fish.

When Miss Octavia Cuttle's class puts on Rainbow Fish's play, Pearl decides that she wants be different from her sister Rosie for a change.