When Andy develops a severe toothache that prevents him from writing new jokes for their book, Terry uses their fantastical treehouse's money-making machine funds to purchase a Joke Writer 2000, with unexpected results.

Visiting the new camping ground level for some R&R, Andy and Terry find things not going as planned when the campfire stories are a little too spooky and their fellow campers start mysteriously disappearing.

Follows the efforts of Andy and Terry to meet a latest book deadline despite numerous distractions in their sophisticated tree house home, including flying cats, giant bananas, and sea monsters pretending to be mermaids.

Their magic tree house takes Jack and Annie back to retrieve a lost story in ancient Greece, where they witness the original Olympic games and are surprised to find what girls of the time were not allowed to do.

The magic tree house whisks Jack and Annie away to Greenland where they discover they've traveled back in time to meet Lief Erikson.

Adding new stories to their treehouse to accommodate a soap-bubble blaster, a toilet paper factory, and an extraterrestrial observation center, Andy, Terry, and Jill are abducted by a giant flying eyeball for an intergalactic space adventure.

While Will has exciting adventures with aliens, mummies, and more, his little sister, Flora, captures them in pictures to hang in her treehouse, making them even better than Will imagined.

A lot of stuff happens in our ever-expanding treehouse. Not everything gets into the books. These are some other things that happened to us ... Surreal, funny and supremely silly--all with the spirit of the Treehouse--come on up to hear some Tales from the Treehouse.

In 4 stories, Jack and Annie experience a series of time-travel adventures.

Jack and Annie are whisked back in time by the magic tree house to meet Benjamin Franklin in Old Philadelphia.