Sibling underwater adventurers Lettie and Lemo and their quirky submarine crew explore and protect a vast ocean covered planet from ship stealing crabs, know-it-all jellyfish and a health inspector shark. Along the way, they unravel deep secrets and the true origins of their newest recruit, the mysterious Bacon Berry.
Complete episode guide for Big Blue with detailed information about every season and episode including air dates, summaries, ratings, and streaming availability in United States.
This episode guide is organized by seasons, making it easy to track your viewing progress or find specific episodes. Use the episode information to plan your binge-watching sessions or catch up on missed episodes.