Tremors - Season 1 Episode 3 Night of the Shriekers
Overview: Burt finds and kills a Shrieker in the valley, only to learn it was a part of a government funded project to train Shriekers for rescue missions. But when a storm knocks out the equipment controlling them, the remaining Shriekers escape and multiply. Now to survive, the Perfection residents must make a stand at Burt's place.