It is a hot day and Johnny's family cannot seem to find a place where they can cool off and get wet. They go to Lake Pork-Ness, which is rumored to have a monster inhabitant. Susan and Mary believe that the idea is a total myth and try to prove there are no monsters in the lake.
Genres: Action & Adventure , Animation , Comedy , Kids , Sci-Fi & Fantasy
Keywords: adventure , dog , scientists , scientist , twin-sister