Third grader Annie Pitts is excited about getting the part of the swamp monster in a high school student's low-budget horror movie, until she finds out how much hard work is involved.
Twelve-year-old Mandy and her veterinarian parents find themselves involved in the filming of a murder mystery in their village when the canine star of the film runs away.
Siblings Klatu, Lek, and Ploo, along with their human friends Lily and Jo-Jo, travel to Hollywood, California, where the aliens become extras on a science fiction television show while waiting for the spaceship that will take them home.
