Continuity: During the scene when Matt Dillon and Kate Hudson are talking on the porch, her bra straps move back and forth on her shoulders.

Continuity: In the breakfast scene, which Dupree makes, the huge bowl on the table disappears during the scene.

Continuity: When they find Dupree on the bench, by the end of the scene his bike has jumped from the kerb to the street.

Continuity: Ths size of the rip in the back of Carl's dinner shirt changes a few times after it has appeared.

Continuity: Carl and Dupree are having a little party while Molly is at work. When Molly walks in Carl grabs a glass of liquor, and as it cuts back and forth to him it changes from a bottle, to a glass, to a bottle and back to the glass.

Continuity: During the skateboarding scene, the children standing around the ramp, and on the ramp (beside Dupree) appear, disappear and relocate during the scene (from shot to shot).

Continuity: In the first office scene, when Mr. Thompson sits on the desk and talks to Carl, the position of his seat, behind him, keeps changing.

Continuity: When Molly walks up to Dupree when he is on the bench in the heavy rainshower, before Dupree says, "I don't want to talk about it", he is looking straight at her. When the shot changes and he says his line, he is now looking down, not up at her.

Continuity: While Carl explains to Molly that Dupree will be staying with them, you see Molly on the bed and her hands are at her side, yet in the very next shot, her arms are over her head with no time for change.

Audio problem: Although Micheal Douglas' car is on a dirt road during the scene in the desert, the sound effects are for a car peeling out on pavement.

Continuity: When Carl and Dupree are walking down the street, to go speak to Molly, they swap places between shots.

Continuity: At the end, at Dupree's book speech, the woman in the front left jumps out of her chair and begins to clap, but in the next shot she is suddenly sitting again, then standing.

Continuity: When Carl comes home from work to find Dupree and Neil watching football, he pours himself a drink. He holds the bottle with no lid on it. As they back in the lounge, Carl now shakes the bottle and it has a lid on it.

Continuity: During the stickball game, a UPS truck is parked in a driveway but disappears and then reappears.

Continuity: When Dupree comes outside with only pillows on, he lifts his hands up and yells for Mandy. Barely a second later his hands are back down covering his butt and front side.

Continuity: When one of the kids is showing the flyer through a restaurant window, near the end of the scene he is holding it in his right hand. When the shot changes to the interior of the restaurant, he is holding it in his left hand.

Continuity: In the dinner party with Molly, Mr. Thompson, Carl and Dupree, the number of crab cakes on the pan in the kitchen changes from two, to four, and then to five or six as the shots switch back and forth between the kitchen and the dining room. There's no time - or reason - for anyone to bring the crab cakes back from the dining room into the kitchen.

Continuity: When Neal is doing push-ups during the football game, a red plastic cup disappears from the floor next to the piano bench.