This article is teenagers wikipedia the film. This article needs additional citations for verification. In the film, alien teenager Derek abandons his crew to search for a new life on Earth, while one of his crewmates is sent to kill him while they attempt to eradicate human life in order to farm Earth with giant lobster-like livestock they call Gargons.
The film was later shown on Mystery Science Theater 3000, Elvira’s Movie Macabre, and Off Beat Cinema. An alien spaceship comes to Earth while searching for a planet suitable to raise “Gargons”, a lobster-like but air-breathing creature that is a delicacy on their home world. Earth’s creatures by vaporizing a dog named Sparky. Sparky’s dog tag, fears that the Gargon might destroy Earth’s native inhabitants. This makes the other aliens scoff at the thought. Their one Gargon seems to be sick in Earth’s atmosphere. While his crew mates are distracted, Derek leaves.
Eventually, the Gargon seems to revive. Derek, it turns out, is the Leader’s son, although Derek is unaware of this. Thor is sent to hunt down Derek, with orders to kill him in order to protect their mission to Earth. They return to their base, leaving the Gargon behind. Meanwhile, Derek finds the home address he found on the dog’s tag.
They have a room to rent, and Derek inadvertently becomes a boarder. He shows the tag to Betty, who recognizes it immediately. Derek takes her to the place where the spaceship landed and shows her Sparky’s remains. For the rest of the day, Betty and Derek have several run-ins with Thor, and Joe follows up on stories of skeletons popping up all over town. Eventually, Thor is wounded, and he kidnaps Betty to help him receive medical attention, in the process revealing Derek’s true parentage to her.