I didn't find this sequel quite as funny as the original but it does have the same charm, emulating a cheesy 50's sci-fi/horror movie. I particularly liked all the stilted, repetitious dialogue. This time around the lost skeleton, now just a skull, wants to restore its body from a relic that can only be found in the Amazon. So he hypnotizes a human subject to take him there. This guy happens to be the good twin of an evil character from the first movie. Meanwhile, Dr. Paul Armstrong (producer/director Larry Blamire) has already been missing in the Amazon for two years. A government agent, who wants to find a metal called Jerranium 90, visits the doctor's wife and convinces her to go to South America with him. They find Armstrong sitting in the corner of a bar, disillusioned with what he's seen. They are joined by a few other people, one of them a jungle guide who is also an identical twin of one of the first movie's characters. After a lengthy montage scene of them walking through the jungle they stop and ask him how far they've walked and he replies "half a mile". Eventually they come to the land of the cantaloupe people, who wear the fruits on their heads. And learn that they must go through the valley of the monsters to get that rare metal. One of the monsters looks like Gumby with a few extra eyes and another looks like a giant baby with only one eye. And let's not forget about the two aliens and the return of Animala, whom the leader of the cantaloupe people thinks is a god. What happens to the lost skeleton is a hoot because it's so abrupt and unexpected. Recommended.