Night Fright
Night Fright is a 1967 American science-fiction horror film directed by James A. Sullivan that was shot near Dallas, Texas.
In the early 1980s, the film was re-titled in the United Kingdom for VHS release as E.T.N.: The Extraterrestrial Nastie, E.T.N.: The Extraterrestrial Nasty, The Extraterrestrial Nastie and The Extraterrestrial Nasty.
Plot summary
As part of NASA experiment Operation Noah's Ark, several animals are sent into space in a rocket, circling the moon and returning to Earth in order to test the effects of space on them.Radiation interferes with the rocket's operation, mutates the animals and causes the rocket to crash land near Satan's Hollow, Texas. Locals think the crashing rocket is a UFO.
The Texas community is soon beset by a rash of mysterious killings, including of students from the local college who wanted to throw a party at the spaceship crash site.
When Sheriff Clint Crawford investigates the deaths he discovers the startling identity of the killer, an alligator mutated into an ogre-like creature. After the death of one of Crawford's deputies, Crawford learns that the monster is bullet-proof and all but unstoppable.
Scientist Professor Alan Clayton is called in to assist law enforcement and the mutant is eventually killed by luring it into a dynamite trap.