Goofs

After Lenny falls off the aerobic machine at K-Mart, two women walk behind him twice, in the same direction.

After Greg trips over the wire at the party, while Charlotte is singing, Kurt is standing next to his wife. When the camera jumps back showing all of the party guests, she is gone. When Charlotte stops singing, and Kurt asks her how she learned to sing, his wife is standing next to him again.

In the opening scene, when the Deer urinates, the cushion under Lenny's head becomes wet. In the very next scene it is dry again.

When Officer Fluzoo is introduced at the Kmart parking lot, his radio mike switches shoulders.

When Lamonsoff and his wife pull into the cheerleader car wash, the car already has soap and clean streaks.

The area code on the cable van that Chris Rock's character plays says 206...this is a Seattle area code even though they are on the east coast.

The movie takes place on the last day of school yet football practice is being held. Football season is in the fall and practice would not begin until mid to late August.

The Kmart interior is not based on an actual Kmart. Things like workout equipment, toilets, and beds are not sold at Kmart.

When Lenny falls and breaks his son's leg, the x-ray shows a broken thigh bone. The cast is placed on his ankle.

The title belt worn by "Hulk Hogan" at the '80s party was in fact the WCW World title, known as the "Big Gold Belt". This would not have been the belt worn by Hogan in the time period as he was with the WWF and their world title was the famous "Winged Eagle".

After the drivers test scene, Andre Mackenzie disappears without a trace for the rest of the film. But Andre is later seen at the 80's party in the front row when the J. Geils Band plays.

A deer was used in this movie whilst in the first Grown Ups, when Adam Sandler asks Salma Hayek during a slow dance if she would like to be his number 26 girl that he makes out with in that very spot ... and she replied yes as long as she is the last, their kiss was interrupted by a deer head piece.

The first time Kurt drives the Ford van, it makes the starter and transmission solenoid sounds of a Dodge Caravan. The second time, the exhaust sounds like a 4-cylinder engine, even though the van has 8 cylinders.

While the movie takes place in the fictional town of Stanton, Connecticut, the passenger train pictured when Higgins (Spade) picks up Braden bears the logo of the Massachusetts Bay Transit Authority (MBTA), and is, in fact, an MBTA Commuter Rail train.

The heroes say "we are the two only black men in our town!", but the cop, hero's brother, should count as three.