In Texas, a family finds a venomous snake in the toilet. Meanwhile, in Florida, a mystery predator targets a family's livestock, and a single mom finds that her new California apartment has a horrifying secret.

In Detroit, a filthy neighbor turns a dream apartment into a nightmare. A young woman is terrified by a bear in her Colorado home. And in California, a single mother battles to protect her special needs son from an infestation of venomous snakes.

A family in Arkansas move into a house already home to a deadly infestation of spiders. In Florida, a dream home is surrounded by venomous snakes fleeing drought. And in California, coyotes terrorize a couple and their trio of dachshunds.

In Colorado, a black bear breaks into a cabin while the owner sleeps upstairs. A young couple in Louisiana is trapped in their trailer by a swarm of bees. And a family battles a plague of cannibal crickets when their town in Oregon is overrun.