Muppet Grover uses his own furry blue body to form letters of the alphabet, utilizing in the accompanying text words which begin with the letter illustrated.

When Tuttle the turtle loses his shell, his animal friends help him trick Louis the rat into giving it back.

No girls allowed at the Olympic games! That's the rule when the Magic Tree House whisks Jack and Annie back to ancient Greece. But when Annie tells Jack to go to the games without her, he knows she's up to something. Will Annie find a way to see the games? Or will she get herself - and Jack - into Olympic-size trouble?

Jack and Annie travel back to nineteenth-century Ireland to inspire a young Augusta Gregory to share her love of Irish legends and folktales with the world.

The magic tree house takes Jack and Annie to a moon base in the future where they continue to search for the fourth thing they need to free their friend Morgan from the magician's spell.

Their magic tree house takes Jack and Annie deep into the sea, where they meet up with dolphins, sharks, and octopi as they search for the answer to an ancient riddle.

The magic tree house transports Jack and Annie to the deck of the Titanic to find the mysterious gift that will free a small dog from a magic spell.

Jack and Annie travel to a monastery in the Swiss Alps where, with the help of St. Bernard dogs and magic, they seek the second of four special objects necessary to break the spell on the wizard Merlin's beloved penguin, Penny.

On Christmas Eve, Jack and Annie's tree house transports them to King Arthur's castle at Camelot, where they undertake a quest to the castle of the Otherworld.

The magic treehouse whisks Jack and Annie back to the days of deserted islands, secret maps, hidden gold, and nasty pirates.