The Hardy Boys / Nancy Drew Mysteries - Season 1 Episode 5

While the boys go on a research for their fathers case chasing after a couple of criminals they encounter a UFO which leads them into a mystery involving a missing Russian scientist, some Russian agents and a mysterious house. When they go in to discover the house they realise a bunch of doors has many mysterious rooms. One of them they go in the room starts to grow gigantic, another room has a floor they fall through and the third door leads to a jungle with vicious coyotes, while they bring their father to discover it they mansion is bare with no secrets. This story is very similar to the Hardy Boys novels. Taken from www.geocities.com/hardyboysnancydrew/program.html, got permission from Greg.