Bananya is snowboarding on a snowy mountain that hosts all kinds of winter sports, but suddenly he disappears. Baby Sweet goes looking for him, clinging to her memories of all the time they've spent together. Will she manage to find Bananya?

Victim Banana lies on the floor in the kitchen of a train bound for parts unknown. Bananya and friends are gathered together by Police Bananya, who's investigating the incident. Someone among them must be the culprit... but the investigation comes to a standstill. Just then, they're joined by a great detective who can solve any case!

Coach Bananya has trained up champions in many sports. When the legendary coach sees hidden potential in him, Bananya starts practicing various sports. Then the day of the big tournament comes, and Bananya must face an array of champions!

A train speeds toward Bananya and Baby Sweet! It's all over! But just when all hope seems lost, the hero of justice, Bananya Man, appears! The duo find themselves entranced and decide to patrol the town, hoping to become heroes themselves. But then a menace from the skies threatens the peace...