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...?
The Tree house whisks Jack and Annie back to Ancient Greece! They land just in time to see the exciting Olympic Games. The athletes, wrestles and chariot racers are all ready to go! But when Annie finds out that no girls are allowed, there's trouble in sore...
When Jack and Annie discover a tree house full of books, it's the start of an exciting adventure through time! Before they know it, they find themselves back in the prehistoric age, with Pteranodons, Triceratops and a huge Tyrannosaurus rex! How will they get home? The race is on...!