An alien from outer space arrives in a huge flying saucer.

Harry learns how to make origami animals.

Charlie invites Harry to a sleepover at her house.

Harry enters his mother's computer to retrieve a lost file from the recycle bin.

Harry enters Dino-World to search for a special type of milk that will make him grow bigger.

Harry worries about playing his violin at the school concert.

Harry pretends to be a superhero, but finds his help is not appreciated.

Harry catches a cold and passes it on to his friends in Dino-World.

Harry creates a cafe in Dino-World.

The pals pretend to be pirates - but are not impressed by Harry's bossiness.

Harry moves the mess from his bedroom into Dino-World.

Harry refuses to have a bath and decides to visit Dino-World to get really dirty.

Harry has a nightmare about being chased by a monster and tries to hide from it in Dino-World.