Judy introduces a new dog to the group but the friends have mixed emotions about her. She's great fun, but very bouncy. Fizz and Milo think she is lovely, but Jake is frightened of her and is worried that she might be staying. Is Jake right to be frightened?

Jake is not happy because the new dog, Izzles, is bouncy and keeps jumping up at him. Doodles is not happy because he is not getting as much attention anymore. Milo and Fizz told Jake that he does not have to be big to be brave, and he learns to control the boisterous new pet.

Doodles is jealous of the new dog, Izzles, and is so naughty that Max punishes him. The Tweenies make collages of the two dogs, and Doodles learns to make friends with the newcomer.

Doodles teaches Izzles much, but allows Izzles to take the blame for his mistakes. In the end, Doodles learns to be honest, and tells the Tweenies that he has behaved badly.

Max and Judy have to make a decision about Izzles' future with the Tweenies. Doodles has a word with her and Izzles starts to behave. The Tweenies are delighted that Izzles can stay now she is behaving herself.

Jake is curious about whales. He wants to know how big a blue whale really is, and tries to find out.

The Tweenies imagine they shrink to Tom Thumb's size and explore the playroom. They discover that it is frightening being small.

Max takes some of his belongings to a car-boot sale – but will he manage to sell anything?

It's up and down day for the Tweenies when Max's surprise does not work out as planned.

Every time the Tweenies get changed to go outside the weather changes. They put on their sun hats and it starts to rain, they dress up for the rain and it gets windy and when they get out into the garden, it starts to thunder.

The friends learn all about percussion instruments and Milo wants to play them all.

The friends learn all about stringed instruments and make music pictures.

The friends learn all about brass instruments, play around, and Bella and the Brass Notes perform their latest hit.

The friends learn all about woodwind instruments. While Judy makes music, all Max can produce is a terrible noise!

Max is invited to play with an orchestra, and it all goes with a bang.

Fizz finds her clay dinosaur toy missing, and accuses Milo of taking it.

Jake's wishes all come true, but for some reason they don't make him happy. What can possibly be wrong?

Max goes fishing with his friend Brian on the Isle of Man. Unfortunately, Max does not turn out to be a great fisherman. After seeing how herrings are turned into kippers, Max meets some Manx cats.

Milo fancies himself as a bit of a handyman. He tries to mend Max's clock but breaks it instead. Will Max be cross with him?

Bella wants someone to help her find her smile again. Perhaps the day's story "Where's Your Smile Crocodile?" will help.

Max goes to the Isle of Man in search of fairies. On the way, he takes a walk in the woods, and travels by horse tram and steam train. But will he find the fairies?

The Tweenies refuse to play together so they play on their own Milo plays snap Bella reads a book Fizz has a tea party and Jake plays with a beach ball Max reads a story called it's my turn then they all be friends again.

Bella gives Fizz a stick as a present, and Fizz finds out just how useful it can be.

Max visits the circus, finds out about life there and meets some talented friends.

Fizz decides to be a copycat and copies Bella in everything she does.