Big Blue The imaginative series for kids 5-9 follows sibling underwater adventurers Lettie and Lemo who lead a quirky submarine crew with a magical ocean fairy stowaway named Bacon Berry. Together, they just might unravel the mysterious secrets of their underwater universe. The series drops young viewers deep into a wacky world of comic adventure, while helping to redefine what a family means and how caring for one another is the most important thing of all.