Eight-year-old Jack and his younger sister Annie use the magic treehouse to travel back to the Middle Ages, where they explore a castle and are helped by a mysterious knight.

Andy and Terry live in a 130-story treehouse. (It used to be a 117-story treehouse, but they added another 13 stories.) It has a soap bubble blaster, a time-wasting level, a 13-story igloo, the GRABINATOR (it can grab anything from anywhere at any time), a toilet paper factory, and an extraterrestrial observation centre for observing aliens. As it turns out, though, it's Andy, Terry and Jill who are being observed and then abducted by a giant flying...

A Crazy Day with Cobras : The magic tree house whisks Jack and Annie back over four hundred years ago to search for a rare and precious emerald in India! Dogs in the Dead of Night : Jack and Annie go back in time to an ancient monastery filled with monks and Saint Bernard dogs. Annie can't resist offering to train a wild young dog named Barry. Will Barry lead Jack and Annie to the mysterious flower they need to save a friends life? Abe Lincoln...

Un grupo de amigos piensa en maneras de ahorrar su casa del árbol favorito, que se fija para ser destruido para que un centro comercial se puede construir donde se encuentra. A group of friends thinks of ways to save their favorite treehouse which is set to be destroyed so that a mall can be built where it stands.

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.