All four films in the 'Tremors' sci-fi comi-drama franchise; 'Tremors' (1989)Handymen Val McKee (Kevin Bacon) and Earl Basset (Fred Ward) are preparing to leave Perfection, Nevada, when their departure is halted by strange rumblings beneath the earth. A seismology student (Finn Carter) reveals that the tremors have been caused by giant underground monsters, which the unlikely trio is soon battling for its life. 'Tremors 2 - Aftershocks' (1995) the first sequel has the main protagonists, Earl Bassett (Fred Ward) and Burt Gummer (Michael Gross), reunited to combat the burrowing monsters from the first film. This time round they are teamed with a sexy scientist (Helen Shaver) and a wild kid (Christopher Gartin) to track down and destroy the killer worms in the oil fields of Mexico. In 'Tremors 3 - Back to Perfection' (2001) the unlikely monikered Perfection Nevada, having survived the acts of the giant 'Graboid' and 'Shrieker' worms, is now once again facing a terrifying external threat - this time from dodgy property developers. Grizzled survivalist Burt Grummer (Michael Gross) returns to his hometown to face down the situation. But things go from bad to worse when a third, mutated strain makes its presence felt and Burt must once again do battle with the Graboids. 'Tremors 4 - The Legend Begins' (2004) is the prequel to the original 'Tremors'. When workers in the remote mining town of Rejection, Nevada, fall victim to an unseen predator, the mine's owner, Hiram Gummer (Michael Gross), hires a mercenary to destroy the carnivorous creatures before they swallow his profits. This results in the battleground moving from deep in the earth to the streets of Rejection.