The movie begins with Alvin having nightmares of meeting the scary Wolf Man, leading to wake up screaming in fear. Simon and Dave conclude that Alvin's been watching too many horror films at night. Alvin says that its because their new neighbor, Lawrence Talbot, creeps him out and speculates that he is hiding something. Theodore is having trouble with Nathan, a bully, and won't go to the principal, who plans to retire due to Alvin's daily mishaps, for help. However, Alvin sticks up for him.
Four junior college students (James "Jimbo", Cookie, Jasmine, and Kristy) are driving along a deserted road in Florida on their way to a cheerleading competition. As Jimbo is driving, Cookie gives him a blow job, while Jasmine secretly watches from the backseat. Distracted, Jimbo swerves and hits a utility pole, damaging the car. While looking for help, they find and enter a vacant house, which is actually home to Andre the Butcher, who is not presently there. Jimbo and Kristy decide to go back to the car and wait for help, while Cookie and Jasmine stay behind. Cookie confronts the closeted Jasmine and the two engage in lesbian sex.
Victor (Vic Sotto) is a single father who falls in love with Elisa (Cristine Reyes) who turns out to be an Aswang. But even so, Victor love Elisa so much that he accepted who she is and even live with her as his second wife.
The plot revolves around the return of Brian Woods (Leitch), a "problem teen." He has just been released from a mental hospital; he was admitted after the suspicious death of his father, who crashed and died while driving a car with cut brakes. He falls in love with classmate Paula Carson (Jill Schoelen), but the local basketball star Dwight Ingalls (Brad Pitt) is already Paula's boyfriend. Meanwhile, the lecherous school principal also seeks Paula's affections. Then horrible murders start happening with no one certain of the identity of the culprit. The main suspects are Dwight, whose control of his anger has never been perfect; Woods, who may not have been fully cured at the sanitarium; and the principal, who seems to stop at nothing in his attempts to bed Paula.
In the quiet mining town of Prosperity, Arizona, an accident involving a rabbit causes a barrel of toxic waste to land in a reservoir. An exotic spider farmer named Joshua (Tom Noonan) has been making regular visits to the site, where he collects crickets for his spiders. Although the spiders have ingested the toxins, he is oblivious since the arachnids seem unaffected. Joshua shows Mike (Scott Terra), a local boy, his collection, which include Jumping spiders, Tarantulas, Trapdoor spiders, and orb-weavers spiders, including a female orb-weaver named Consuela. After Mike leaves, Joshua is bitten by an escaped tarantula and accidentally knocks down the spider cages, causing him to be killed by the spiders. After devouring him, the spiders grow to even bigger proportions.
Entomologist Dr. James Atherton (Julian Sands) searches the Amazon rainforest with the hope of discovering new species of insects and arachnids. Descending into an enormous sinkhole, his team sets up collectors on the ground below a large tree, then blow smoke up into the canopy of the tree. A large number of bugs fall into the collector, including a very aggressive new species of spider. The spider is captured and chloroformed for research; and is later revealed to be lacking sex organs, thus making it a drone, or soldier, highly unusual in an arachnid species. A nature photographer, Jerry Manley (Mark L. Taylor), who has been suffering a fever while traveling with the team, unknowingly has a fertile (non-drone) male spider of the same species jump into his backpack, that night sneaking into his sleeping bag and biting him. Manley has a massive seizure from the venom and dies. The remainder of the scientists takes his body back to the United States, blaming Manley's death on the preexisting fever. The spider crawls into the box and is sealed in with the corpse.
Eshwari (Kovai Sarala),her husband (Manobala) and her son,(Nithin Sathya), Eshwari's brother (Chitra Lakshmanan),his daughter Maya (Raai Laxmi), another older brother's son Murali (Vinay Rai) and his newly wedded wife Madhavi (Andrea Jeremiah) have gathered to sell their Palace off to Ayyanar, who had leased the property for five years. Meanwhile, Paalsamy (Santhanam) sneaks into the Aranmanai under the guise of a cook, finds his grandmother's photograph in the palace and he too decides to catch hold of the palace.
After Alan Jones is savagely beaten by a street gang, he ends up at the lab of mad scientist Dr. Tanner Finski and his assistant Igor, a child genius. There, Jones discovers that he is the key to an experiment that involves Frankenstein's monster. When the experiment goes wrong, Finski sends Jones and Igor back in time to the American Civil War, where an interdimensional portal has allowed an army of monsters to converge.
The film follows the events that unfold at Tromaville High School in New Jersey, which is conveniently located next to a nuclear power plant. An accident at the nuclear plant is covered up by plant owner Mr Paley who doesn't want the facility shut down by the safety commission. The accident causes a radioactive water leak which ends up gruesomely killing a student at the school after the tainted water reaches the drinking fountain. The gang of the school, called "The Cretins", who were originally part of the honor society, torments the school, and its implied that they have been turned into violent psychopaths by the runoff from the plant. They pick leaves from a radioactive marijuana plant located in the yard of the nuclear plant and sell it to Eddie for $10. At his "indoor bikini beach party" that night, Eddie pressures his friend Warren and Warren's girlfriend Chrissy into smoking the radioactive joint, but it is accidentally ruined by the dancers before anyone else can try it. The mutated drug shows itself to have potent aphrodisiac effects, leading to Warren and Chrissy having sex in Eddie's loft. However, that same night, both of them have disturbing nightmares about hideously mutating, though these effects are seemingly gone by morning. Some time later, Chrissy discovers that she is pregnant, and spits a little monster into a nearby toilet. The creature travels through the water pipes and lands in a barrel filled with radioactive waste, and mutates into a bigger creature. Meanwhile, Warren, tired of the Cretins constant harassment, ends up going on a radiation-fueled rampage, killing two of them, with no memory of the event once he comes to his senses. The Cretins, expelled from the school and cut off from their customer base, assaults the principal and forces him to use the schools Radiation Alarm to cause an evacuation, letting the Cretins bar the building and occupy it. Capturing Chrissy as bait for Warren, the leader of the gang holds her hostage in the basement and plans to kill her in front of Warren, only to be interrupted by the now adult monster.
Gargantuan worms from outer space invade the town of Arkansas and they begin turning corpses into zombies. Regarding the deadly worms as their masters, the zombies turn against the town folk by mutilating them. As rampage ensues, a lucky few escape into an abandoned hotel. They successfully fend off a number of zombies and at last a group of military officers are dispatched to wipe out the worms and save the survivors.
Set in a small Scottish village named Lobster Cove, the local community is enraged when a retailer is granted permission to build their supermarket complex on a nature spot. A crate is discovered washed up on shore and one of the group makes tea out of it.
Walking home on Bonfire Night through "The Ends" in Brixton, new-to-the-area nurse Samantha Adams is mugged by a small gang of teenage hoodlums: Pest, Dennis, Jerome, Biggz, and leader Moses. The attack is interrupted when a meteorite falls from the sky into a nearby car, giving Samantha the chance to escape. As Moses searches the wreck of the car for valuables, his face is scratched by a pale, hairless, eyeless dog-sized creature; the object which fell from the sky was its cocoon. The creature runs away, but the gang chase and kill it. Hoping to gain fame and fortune, they take the corpse to their acquaintance, cannabis dealer Ron, to get advice on what to do. He lives at the top of their tower block, Wyndham Tower.
Left off after the events of the first movie The Blob, an oil pipeline layer named Chester (Godfrey Cambridge) returns to his suburban Los Angeles home from the North Pole, bringing with him a small sample of a mysterious frozen substance uncovered by a bulldozer on a job site. Prior to taking the blob to a lab to be analyzed, he places the storage container with the substance in his freezer, but he and his wife (Marlene Clark) accidentally let it thaw, releasing "the Blob". It starts by eating a fly, then a kitten, Chester's wife, and then Chester himself (while he is watching a television broadcast of the film The Blob).