Two frogs, Ernie & Sylv go looking for a new place to live after their pond dries up. They end up exploring Fat Tulip's garden and kitchen, where Ern takes an interest in the washing machine.

Thin Tim has come to stay with Fat Tulip, forcing him to clean up the airing cupboard and the rest of his house. Then Inspector Challenor arrives to shed light on a missing key.

Thin Tim wants to do odd jobs around the house, but Fat Tulip would rather play Frisbee. When it lands right in the apple tree, local policeman Inspector Challenor and his new dim-witted dog Dorian arrive to help.

Nasty toads Peter Paul & Mary have totally messed up Fat Tulip's Garden. Nice frogs Ernie and Sylv mean to find the culprits of this dirty deed, even though they expect they might be terrible stinky monsters.

Fat Tulip gets a kipper in the mail, meaning Fred the Baddie is coming to stay. So he decides the best thing to do is to pretend not to be home. But a note on the door does not stop Fred the Baddie, who can't read.

Ernie and Sylv meet Lewis Collins, a tortoise who imagines himself to be very heroic, fast and strong. He first plans to jump over Fat Tulips house, but decides that would be too easy. He proceeds to dig a tunnel under it instead

One thousand two hundred and seventeen bees are looking for a new place to stay. Ernie & Sylv invite them to join them in Fat Tulip's Garden, but Fat Tulip and Thin Tim take objection.

Ernie & Sylv are playing hide and seek. But when Ern hides in a bucket, he ends up down the well in Fat Tulip's garden. Soon all the other insects and animals think there's a monster (possibly several of them) down there.

Ernie & Sylv and all the other young creatures are off to training camp in the woods. But one of the teachers, Mary toad, is helping her kin Peter and Paul cheat at all the tasks.

All the mice in their hole that connects to Fat Tulip's kitchen are ill and Ernie and Sylv are looking after them. Fat Tulip isn't feeling very well either and asks Thin Tim to bake him a cake.

A lot of different animals are practicing for the Ugliest Possible Face competition. Ernie and Sylv try to cheer up Mary toad by having her compete as well

Fat Tulip's washing machine is broken and his door number is missing. The morning after he hangs up an orange peel shaped like a six to serve as a door number, seven washing machine salesman visit him, bringing along seven washing machines to demonstrate

Thin Tim insists that Fat Tulip loses some weight and forces him to exercise in the garden and go on a diet. But Fat Tulip fills the shed with cakes and sweets for midnight snacks. Ernie and Sylvie want to investigate, but Lewis Collins the tortoise insists that he goes in first, disguised as a fruitcake