Heidi is only five when she is taken to live with her grandfather, known as Uncle Alp, in the Swiss Mountains. Notorious in the village for his gloomy outlook and reclusive nature, Uncle Alp nevertheless comes to love little Heidi, and she him. Just as Heidi begins to grow fond of her new mountain family and friends, she is suddenly taken to Frankfurt to be a companion to Clara, an invalid. Although she brings great joy into Clara's life, Heidi pines...

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.

When Merlin is weighed down by sorrows, Jack and Annie travel back to feudal Japan to learn one of the four secrets of happiness.

The magic tree house carries Jack and Annie to New York City in 1938 on a mission to rescue the last unicorn.

Presents information on how James Marshall made a discovery that changed United States history.

Jack and Annie travel in their magic treehouse to the year 1621, where they celebrate the first Thanksgiving with the Pilgrims and Wampanoag Indians in the New Plymouth Colony.

Jack and Annie are transported by their magic tree house to the time of the Civil War where they meet Clara Barton.

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.

During a visit to a space museum, Fly Guy and Buzz learn all about planets, space crafts, and space suits.

Jack and Annie travel 500 years back in time to Florence, Italy, and spend a day helping Leonardo da Vinci in the hope of learning another secret of happiness.