Jack and Annie's adventure have started again! They're stuck in ancient Japan, where the shadowy ninjas and the fierce samurai warriors don't look very friendly! Will Jack and Annie find the tree house again? Or will they be caught in a terrifying battle?
Jack and Annie travel back in time - wearing only their swimsuits! The tree house lands in the freezing Ice Age and they have to hide from hunters and escape from a great cave bear. But when Jack and Annie are chased by a fierce sabretooth tiger and fall into a hunting trap, they're really stuck. Will anybody come to their rescue?
Jack and Annie are on the Moon! The tree house whisks them into the future - to an exciting outer-space hotel! But they've only got two hours before they run out of air... Will the moon man and his map help them get back safely?
Jack and Annie have a riddle to solve - at the bottom of the sea! Diving deep underwater in a mini-sub, they have to tackle a giant octopus and escape from a scarry shark. The dolphins seem very friendly, but will they help Jack and Annie find the answer to their puzzle...?
The tree house lands in Wild West America but there's no one around. Has it landed in a ghost town? With their new cowboy friend, Slim, Jack, and Annie gallop across the prairie. They're determined to rescue Slim's mare from some evil horse thieves. But they've still got their next riddle to solve. Will the spooky town ghost be any help?
Whisked away to the plains of Africa, Jack and Annie can't believe how many wild animals they see! Soon they're helping wildebeests migrate, showering with an elephant and picnicking with a Masai warrior! it's lots of fun, but when a pride of lions crosses their path, Jack and Annie will need a clever plan of escape. Can they get back to the tree house without becoming lunch for the lions?
The Tree House comes to land in lots of snow and ice - and it's freezing! Will anybody help? Jack and Annie manage to get warm with the help of a friendly seal hunter and his huskies, and some playful polar-bear cubs. But their arctic adventure turns dangerous when they find themselves stuck on every thin ice. Can they get back to the tree house without being caught in a snowstorm? And can they…
When the tree house lands in ancient China, Jack and Annie are told to beware of the fearsome emperor.. It's not long before they learn the warning is right! In search of an old Chinese legend, they head for the palace of the dragon king. But he is not pleased to see them! And when they become lost in his spooky burial grounds, only magic will help Jack and Annie escape!
When Jack and Annie travel back to the time of the Romans, it's peaceful and warm. But things are about to get much hotter... They've landed in Pompeii on the day that Mount Vesuvius will erupt and destroy the city. They have to escape! But getting back to the tree house means heading towards the burning volcano.. It's a race against time for Jack and Annie in their most dangerous adventure yet!
When the tree house whisks Jack and Annie back to the Dark Ages, they're in real danger! They've landed on the coast of Ireland, and Viking warriors are heading straight towards them! But in all the fog and mist it's going to be difficult to escape - can they do it before they're captured by the scary invaders...?