Although supposedly based upon a book by Edgar Rice Burroughs, there is no relationship whatsoever between the book and the plot of this movie. One wonders if the writers even read the Cliffs Notes.

Darren Dalton and C Thomas Howell starred in The Outsiders together in 1983. C Thomas Howell was a Greaser and Darren Dalton was a Socs, from a rival gang. Here they are friends.

Released on July 28th, 2009 to capitalize on Land of the Lost (2009), which was released in the U.S. on June 5th, 2009.

"Jude" who is supposed to be from the December 1945 lost Navy Flight 19 where 14 Navy and Marine aviators disappeared.None were named Jude,but this is likely so as to not upset any family members.