Continuity mistake: During "Easy To Be Hard" a redheaded woman disappears and reappears on a park bench.
Continuity mistake: When Francis Fryer throws the cowboy he loses the scarf in his hand but when the camera angle changes he has it again.
Continuity mistake: Near the end of "The Lees of Old Virginia," Richard Henry Lee is seated on a water fountain, and then stands up. In the following shot from behind, he is back on the fountain and stands up again.
Continuity mistake: When Ellen is getting up from the table after arguing with Jill, she takes her purse off the table with her right hand. In the next shot, she's shown dragging her purse across the table with her left hand.
Continuity mistake: When Bill tells Selma he has no money, her hair changes from tied back, to down numerous times between cuts.
Continuity mistake: When Lou is finally convinced that he won't get hurt being the umpire in the "Hit The Umpire" game, he runs to take his place then stops in front of the batter. As Lou runs to take his place he isn't wearing a baseball cap, nor is he holding one in his hands, but in the next shot, when he gets hit in the head by the batter, one has mysteriously appeared on his head.
Continuity mistake: Adelaide performs her first number and finds Nathan in her dressing room. There is a pink robe draped over the partition. Placement of this robe changes during the scene without being touched. (00:49:45 - 00:50:30)
Continuity mistake: When Shanti rubs the war make-up off Ranjan's face, she only rubs half the make-up off. In the next shot, all the make-up is gone.
Continuity mistake: In the penultimate scene when Susan has just gotten off the train and is running to Ned Trent, you see her fall over flat on her face and then sit up. Cut to the close up where Ned has also fallen over, Susan is flat on her face again. (01:36:00)
Continuity mistake: When Max Bialystock is singing "Along came Bialy", and the old ladies start coming out of the apartments, the first lady who comes out isn't there in the next shot.
Continuity mistake: During the ice show Smoochy gets crowned by the fairy who flies in from above. Right before he sits down at the desk to read the "Smoochy Hits #1" issue of Variety, the crown falls off and rolls away across the ice. When he's sitting at the desk, the crown is back. (01:32:51)
Continuity mistake: When Valerie picks up Ted's LPs, the cover of one of his speakers is missing, but in the shot where Valerie is lying on the couch tossing them into the fire, both speakers have covers.
Continuity mistake: In the scene on the boat, when Dimitri gives Anya the blue dress, the piping along the sleeves and the bottom changes from white, to nothing and back to white.
Continuity mistake: When Mumble is still a baby, his "bowtie" does not appear until Boss Skua has him pinned down under his foot. Then shortly after, it disappears again, only to reappear when Mumble falls into the crack in the ice.
Continuity mistake: When Gonzo is flying in the air holding on the balloons and then is shot down by Doc Hooper and lands on the car, the last two balloons are yellow and pink, but when the car takes off after Gonzo lands on the roof - the two balloons are now both blue.
Continuity mistake: In one scene when Hudson and Andrews enter the vestibule of her house, Rock can clearly be seen to have "mutton chop" sideburns. However, once inside the house, they're gone. When he goes back outside, they're back.
Continuity mistake: Towards the end of the movie during the play, Kelly goes backstage during intermission, and her hairstyle and color has changed. (According to DVD commentary, it was a pick-up scene and she had already started filming Spider-Man. That's why her hair was now red. Still a mistake, but there's the explanation.)
Continuity mistake: As Shirley Jones is singing "In love with Me" at one point, she's sitting down, and is slouching back. The shot changes to the side, and she's sitting up straight, and is much higher against the counter than she was. Her hands have changed position as well, she's no longer holding onto the cup she had in her left hand. (01:19:55)
Continuity mistake: In the scene when we find out that Shang is alive, we see a stick floating through the water which gets caught by a tree trunk sticking out. Then when the shot goes into a close up for Shang coming into frame, the stick has suddenly disappeared.
Continuity mistake: When Dorothy Lamour gets out of the water and confronts Bing Crosby and Bob Hope, she's supposedly naked and covering herself with leaves. But you can see the flesh colored bathing suit she's wearing bunch up at the hips while she moves. (01:10:22)