The teenage DJ is observing his neighbor Nebbercracker on the other side of their street in the suburb that destroys tricycles of children that trespass his lawn. When DJ s parents travel on the eve of Halloween and the abusive nanny Zee stays with him, he calls his clumsy best friend Chowder to play basketball.

The teenage DJ is observing his neighbor Nebbercracker on the other side of their street in the suburb that destroys tricycles of children that trespass his lawn. When DJs parents travel on the eve of Halloween and the abusive nanny Zee stays with him, he calls his clumsy best friend Chowder to play basketball. But when the ball falls in Nebbercracker s lawn, the old man has a siege, and soon they find that the house is a monster. Later the boys rescue the smart Jenny from the house and the trio unsuccessfully tries to convince the babysitter, her boyfriend Bones and two police officers that the haunted house is a monster, but nobody believes them. The teenagers ask their video-game addicted acquaintance Skull how to destroy the house, and they disclose its secret on the Halloween night.

The teenage DJ is observing his neighbor Nebbercracker on the other side of their street in the suburb that destroys tricycles of children that trespass his lawn. When DJs parents travel on the eve of Halloween and the abusive nanny Zee stays with him, he calls his clumsy best friend Chowder to play basketball. But when the ball falls in Nebbercracker s lawn, the old man has a siege, and soon they find that the house is a monster. Later the boys rescue the smart Jenny from the house and the trio unsuccessfully tries to convince the babysitter, her boyfriend Bones and two police officers that the haunted house is a monster, but nobody believes them. The teenagers ask their video-game addicted acquaintance Skull how to destroy the house, and they disclose its secret on the Halloween night.

The teenage DJ is observing his neighbor Nebbercracker on the other side of their street in the suburb that destroys tricycles of children that trespass his lawn. When DJ s parents travel on the eve of Halloween and the abusive nanny Zee stays with him, he calls his clumsy best friend Chowder to play basketball. But when the ball falls in Nebbercracker s lawn, the old man has a siege, and soon they find that the house is a monster. Later the boys rescue the smart Jenny from the house and the trio unsuccessfully tries to convince the babysitter, her boyfriend Bones and two police officers that the haunted house is a monster, but nobody believes them. The teenagers ask their video-game addicted acquaintance Skull how to destroy the house, and they disclose its secret on the Halloween night.

Susan Murphy (a.k.a. Ginormica) and the Monsters are now working with the US government as special ops. So when an alien presence is detected in Susan s hometown of Modesto, California -- right before Halloween -- the team is dispatched to investigate. Everything appears normal, right down to the jack-o-lanterns peering out from every doorstep and windowsill. But when Halloween arrives, those innocent-looking carved pumpkins reveal themselves for what they really are mutant aliens. The altered pumpkins then start to implement their fiendish plan to take over Earth. The Monsters are there to combat the mutant gourds and try to smash their wicked scheme!

The teenage DJ is observing his neighbor Nebbercracker on the other side of their street in the suburb that destroys tricycles of children that trespass his lawn. When DJ s parents travel on the eve of Halloween and the abusive nanny Zee stays with him, he calls his clumsy best friend Chowder to play basketball. But when the ball falls in Nebbercracker s lawn, the old man has a siege, and soon they find that the house is a monster. Later the boys rescue the smart Jenny from the house and the trio unsuccessfully tries to convince the babysitter, her boyfriend Bones and two police officers that the haunted house is a monster, but nobody believes them. The teenagers ask their video-game addicted acquaintance Skull how to destroy the house, and they disclose its secret on the Halloween night.