Continuity: When the Sandy/demon tries the blow Rogers brains out he opens the bathroom door containing the 'floating garden tools'. The hedge cutter shoots towards Sandy/demon lopping off her head. Next scene Roger picks up the head placing it in a bin bag, but there's no blood, but there was when he shotgunned a hole in her from an earlier scene.

Continuity: When Roger returns from leaving his partner Ben who is captured by the Vietnam enemy, note the position in which Harold is holding the stoker object in his right hand whilst propped on the mattress, it moves from his stomach to his upper chest between cuts.

Revealing: Later into the film Roger realises that his aunt's paintings hold some significance to the whereabouts of his missing son. He removes a cloth from the top left of a painting revealing an image of his son trapped in his bathroom cabinet. Note the cabinet door is the wrong way round to the one in his bathroom.

Continuity: When Roger is running away from Ben, Ben breaks through the window and walks through it. Two shots later the window is suddenly mended.

Continuity: When Cobb notice the toy car rolling over the floor, the car stops on the right side of the black square on the floor. When it cuts the car is on the left side of the square. Also the sunlight on the floor differ between the shots.

Continuity: The Sandy/demon scene. When Roger escorts the cops to the front door, he says 'My gun' and we see the cupboard door under the stairs (containing Sandy's body) is ajar. But when he closes the front door behind the cops the next shot shows the cupboard now closed.

Continuity: When Roger babysits Robert, the neighbour's son, he begins to cry, so Roger sits with him and watches TV. All of a sudden the tears on the childs face miraculously dry up between cuts.

Continuity: The Sandy/demon scene. When the cops arrive an officer says they had a report of 'someone at this address firing a shotgun'. But Harold who made the call to the police regarding his neighbour reported a 'suicide' attempt.

Continuity: When the grocery boy walks up the porch to knock on Mrs. Hooper's door, the sun is shining on the backside of the house. When it cuts the sun is suddenly shining on the front of the house, hitting the door.

Visible crew/equipment: In the Sandy/demon scene, when the cops arrive an officer says, 'I know you, right? You're Roger...' you can see the boom mic reflected on the visor of his police cap.

Continuity: After the cops leave Roger's house, Roger is fighting with the Sandy/demon upstairs, note how the large shotgun hole in her body has suddenly disappeared.

Continuity: When Roger is lowering himself down the hatch inside the mirror, a flying demon grabs his shotgun. At first the demon grabs the shotgun at its barrel, in front of Roger's hand. When it cuts the demon's hand is on the handle behind Roger's hand.

Continuity: When Roger is about to make an escape through the bathroom window, we can see the blinds are pulled all the way up. When it cuts the blinds are pulled half way down.

Continuity: When Roger digs a hole in his backyard to bury the decapitated body of Sandy/demon he's startled by a neighbour who steps out of his swimming pool. Note the inconsistency of the sweat patch size on his t-shirt throughout this whole scene.

Continuity: In the scene where Sandy visits Roger's house, the 'cross' on her necklace changes position and back throughout the scene.

Continuity: In the Sandy/demon scene she knocks over the big round wooden table that has an ornament on. After Roger shoots her he picks up the table but does not replace the ornament. Yet when the cops enter his house the ornament is back on the table.

Continuity: When Rogers blasts the Sandy/demon out through the front doors we see a supposedly large bloody hole in her back, but no blood nor damage to the doors.

Continuity: When Sandy turns into the demon she's still wearing her own clothes, however her footwear has gone from high-heels to blue socks and white leg warmers. Most noticeable when she gets shotgunned out through the front doors of the house. Then she reverts back to human and is wearing high-heels again.