Investigating the mysterious deaths of a number of farm animals, vet Rack Hansen discovers that his town lies in the path of hoards of migrating tarantulas. Before he can take action, the streets are overrun by killer spiders, trapping a small group of towns folk in a remote hotel.

When the sun converts to a magnetar for a short time, the planet Mercury is thrown out of orbit (along with a spaceship exploring it) and set on a collision course for Earth. Can a disgraced scientist manage to use his failed weapon system, Project 7, to save our planet?

In the early part of the 21st century, an unknown deadly virus is spreading among the population. The planet becomes infested with a new threat unlike any other The Undead. Three compelling video diaries chart the beginning of the plague through the last days of the apocalypse. In the first, a documentary film crew traveling the countryside becomes caught in the outbreak and are forced to survive at all costs. In the second, a husband and wife flee London and meet a mysterious hitchhiker, scavenging the remnants of dead towns where shadows lurk at every turn. In the third, a group of survivors escape the virus, making their way to a farm for refuge, only to find themselves attacked by the creatures who now rule the night.

Song writer Mark Devereaux accidentally calls millions of green Martians to invade Earth. No they aren't dangerous, just wise-cracking, intrusive, pain in neck, annoyances. No one can escape their distracting influence. It's up to Mark to figure out how they got here, and most importantly, how to get rid of them before they drive everyone crazy!

Morgan and his friends are on a hunting trip on a remote Canadian island when they are attacked by a swarm of giant wasps. Looking for help, Morgan stumbles across a barn inhabited by an enormous killer chicken. After doing some exploring, they discover the entire island is crawling with animals that have somehow grown to giant size. The most dangerous of all of these, however, are the rats, who are mobilizing to do battle with the human intruders.

Colonel Reynolds and his group of government scientists continue their work on re-animating the dead for military use. His son Curt and his girlfriend Julie use Dad's security pass to sneak in and watch the proceedings. Later when father and son have a disagreement, Curt and Julie take off on a motorcycle and Julie is killed in an accident. Grief-stricken, Curt takes her body to the lab and brings her back to life. Curt must help Julie deal with her new existence as military agents and local gang members try to find them.