Continuity: During the tennis match, Jimmy's and Sarina's long shadows are to their right, yet, Tom's and Kate's short shadows are also to their right, though the couples face each other on the court.

Revealing: When Tom joins Sarah and Eliot for the kneeboarding, after Sarah apologizes for Tom's interrogation Eliot says, "It's okay, my dad would've done the same thing." Two shots later, as Tom grunts in the water, this shot is flipped - the driver is now on the left and the kids switched sides.

Audio problem: After Tom goes kneeboarding, as he gets off the boat and walks along the deck, in the background Eliot says "I'm sure you'll do better next time, Mr. Baker," but his mouth is closed.

Continuity: Nora's labor starts and her water breaks in the canoe, yet when she is helped ashore minutes later her pants are completely dry.

Continuity: When the dog bounds underneath the long dining table, in following shots the remaining shattered glass and china changes position and amount, and the cloths, plates etc. all change position as they lay on the table.

Continuity: Sarina's drink swaps hands as she sits down at the table on the decking.

Continuity: When Anne finishes drawing her portrait of Charlie, outside near the gazebo, her pencil immediately jumps onto the table without her putting it down.

Continuity: After Sarah tells Lorraine to leave her alone, when Lorraine walks back to the table, in the first shot Tom is turned all the way round to his right, but next shot he is turned to his left.

Continuity: After showing Sarah with a makeover, Lorraine's shoes change from flats to heels.

Continuity: When Eliot and Mark run over to the golf buggy, as they talk the position of the chinstrap hanging down from Mark's hat keeps changing from hanging down / hanging over his shoulder.

Continuity: After the pitcher of orange juice is spilt all over Kate's tee-shirt, the amount of juice staining the shirt changes from when it's spilt on to when she leaves the scene.

Continuity: When the Bakers and the Murtaughs are having their camp-outs by the lake, Tom suddenly has a pair of binoculars, which were not there before, so he can spy on the Murtaughs.

Continuity: When Tom reveals that Sarah likes Eliot, Kate walks over holding a platter of burgers which change between shots.

Continuity: After Tom reveals Sarah's interest in Eliot, when Lorraine walks by vowing never to help Sarah again, Bud holds a burger in his right hand and a plate with a hot dog on it in his left. Next shot he's eating a hot dog with his right hand, while holding a burger with his left.

Continuity: After Tom says he thinks Eliot is OK for Sarah, Between shots the ketchup bottle standing beside the mustard bottle vanishes then reappears.

Continuity: When Bonnie Hunt is at the cutting board in the kitchen, between shots a sliced bagel moves around on a nearby plate.

Factual error: Eugene Levy brags that one of his daughters was a U.S. snowboarding champion in the slope style competition. The only snowboarding events that snowboarders compete in nationally are giant slalom and half pipe.

Continuity: When Kate is slicing tomatoes, and is talking to Tom, she alternately holds a knife/a piece of tomato, and how far from the dicing board she holds the knife also changes.

Continuity: When Tom and Kate are looking at the photo album by the bed, at the start of the film, the pages they are looking at are inconsistent from each shot, evident by the suddenly changing photos.

Continuity: When Tom holds little baby Tom at the end of the movie, the blue blanket is alternately covering/uncovering baby Tom's head.