Revealing mistake: When Mac dances with Debbie at McDonald's, disguised as a bear, he turns his head backwards and his neck is visible, revealing a human coloured skin.
Continuity mistake: In the van, when Mac is watching the road, Eric disappears from the seat.
Continuity mistake: After the wheelchair scene, while the cops attend the family, a group of kids pass by the house. When the angle changes they've moved several meters back and pass by again.
Visible crew/equipment: When Eric's brother says that the traffic jam was caused by a drunken alien, the shadow of the moving camera is visible on the outside of the van.
Continuity mistake: In McDonald's, Mac is opposite to the counter and makes some flips and turns in the air, yet when the people stare at him they're pointing at the counter.
Continuity mistake: When the African-American girl in the red dress dances in McDonald's, her right sleeve swaps form up to down between shots.
Revealing mistake: Instead of Mac grabbing the cup with his fingers, the cup suddenly seems stuck to the hand, revealing the hidden sticky system.
Continuity mistake: During the traffic jam, while Eric and family are in the van, Eric's Coke is at chest level, but a frame later it's next to his mouth.
Continuity mistake: When Mac jumps in Eric's van, the way Eric holds the Coke can changes between the front and back shot.
Continuity mistake: When the Indian girl sees Mac coming out of the van, all the mess around her swaps to tidy.
Continuity mistake: When going to the birthday party, when Debbie puts Mac inside the car, his head swaps from facing right to left.
Continuity mistake: When Mac watches the road while in the van, the blinds disappear in the POV angle.
Continuity mistake: When Eric is playing with his remote controlled car, a bag of Skittles appears on his lap in the close-up angle.
Continuity mistake: When the kids are dancing in the McDonalds parking lot, there's a girl in white with a red skirt, then a big gap on the right followed by a group of kids. With a change of angles, the gap is filled with people that have appeared out of nowhere.
Continuity mistake: Escaping from the cops, Eric's on the road, dodging cars. A blue one smashes the back of a car and breaks its own fender and lights; but the damage is already done before the crash.
Continuity mistake: When all the guys go with Mac to find his family in the mine, the collar on Mac's t-shirt keeps changing from very loose, to slightly loose, to really tight around the neck between shots.
Continuity mistake: When the paperboy throws the newspaper on the runway the van disappears.
Continuity mistake: Eric is about to arrive to the place where his mum works, and there's a close-up of the cop's car chasing him. A big line of cars is seen behind him, but in the wide angle not only the cars are gone, but the real traffic is running in a perpendicular road to the one he's in.
Continuity mistake: When Mac's in the desert calling his family, an aerial view shows Mike away from the car following him. In the following close shot he's next to the van's hood.
Continuity mistake: The chip on the cop's windshield disappears when they arrive at the mall.
