A lone planet hangs in the universe. This colorful planet of blue skies, white clouds, and green earth is where Bananya spends his leisurely days. One day, Baby Sweet suddenly appears before Bananya. The two quickly become friends and set out on a wondrous journey.

Baby Sweet starts glowing, and the next thing he knows, Bananya is on an island where summer lasts forever. Bananya and Baby Sweet join Eternal Summer Bananya in fun activities like surfing, free diving, and beach volleyball. As they're lounging in the sea, they see a dorsal fin cruising their way! Bananya and friends may be in trouble!

Bananya and Baby Sweet reach a wasteland where dry grasses tumble across the ground. As they're looking around, they suddenly find themselves surrounded by a bunch of Rowdy Bananyas. Then our very own Western Bananya shows up, and the desert showdown begins. Who will stand victorious?!

Bananya and Baby Sweet come across a coffin in a dark, gloomy mansion. As Bananya carefully investigates, a strange shadow appears behind him! Startled, the duo runs away as quickly as they can, but more mysterious shadows appear one after another, refusing to let them get away! Can Bananya and Baby Sweet escape the mansion?

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...

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!

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!

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?

Bananya and Baby Sweet are summoned to a magic school where young witches and wizards learn. Their eyes gleam as they see magic for the first time. Then they meet Wizard Bananya, who isn't very good with summoning magic, and try to cheer him on. He fails repeatedly at summoning, but Bananya is smiling...

Banawan: a puppy living in a banana. This is where the Banawans live, and this is where two species meet for the first time. The first contact between "nya" and "woof." Will Bananya and Banawan be able to understand each other?

A big Pallas's cat has been watching Bananya and Baby Sweet's adventures from a distance, envious of all the fun times they have. Then, one lonely, snowy day, the Pallas's cat is visited by someone in a red suit…

The true identity of the invader who's been working behind the scenes all along is revealed. Was Bananya's entire journey part of someone else's plan?! The invader's grand scheme sets in motion the greatest crisis the planet has ever faced! Bananya Man rushes to save Bananya. What does the future hold for them?!