Continuity mistake: When John is at the pizza place after jogging, the sweat stain at the top of his shirt continuously changes.
Continuity mistake: In the scene showing Groucho being chased across the cars as they enter the race course, in the shot from behind you see him running along the rail only to slip, the following shot is from the front and shows the same slip he's already made.
Continuity mistake: In the locker room scene, Remer and Joe are both naked. When Remer goes to pull Squeak out the drawer, you see him put a robe on, but you also see him wearing underwear. It wouldn't be possible to put on underwear in about 1/2 a second.
Continuity mistake: When the Tigers are coming to bat in the third inning, the announcer says that they have 2 hits so far, but the scoreboard at Yankee stadium just showed them as having 0.
Continuity mistake: In the scene when Robert De Niro asks Joe Pesci to punch him, you can see blood on De Niro's face at one point. Then you in the next shot of De Niro, there is no blood on his face.
Continuity mistake: Ben is lounging around and watching a Sox game on TV. The first shot showed a lot of stains on his shirt. Between shots the stains vary, with at least one shot with hardly any stains at all.
Continuity mistake: In the game against Xavier, on the final play in which Reggie Oliver throws the dramatic, game-winning TD pass, the defensive lineman hits him just as he releases the ball. In the shot when he releases it, the pass is wobbling badly out of his hand, in fact, it appears to be end-over-end. When it's flying through the air, it's a perfect spiral.
Continuity mistake: When Joe, the Heisman candidate quarterback, jumps his Harley off of a dirt cliff, one camera angle is from below as the bike is in the air. The angle clearly shows the bike is different from the Harley he started and finished with. Most noticeable is the fact that the tyres on the stunt bike are knobby enduro tyres, but later when the bike is stopped, you can see the smooth street tyres are back again.
Continuity mistake: When Chester is trying to get Matthew to come into his car after school, Matthew has a football in his hand for a couple of shots. Then, the football disappears and his replaced by his backpack for the last shots of the scene.
Continuity mistake: In game 154 in Baltimore where Maris needs 2 home runs to tie Babe Ruth's record, he comes to bat in the 2nd inning. The scoreboard shows that the Yankees have scored 1 run in the inning. Later in the game when Wilhelm comes in to pitch, the scoreboard shows that no runs were scored by the Yankees in the 2nd inning.
Continuity mistake: Just before the Breeders Cup the horse is upset and Kurt Russell puts his hands on either side of her face to see what she is "thinking". First his fingers are practically in her eyeball and when the shot changes his hand is back by her jaw. This happens to quickly to be a natural movement.
Continuity mistake: When Lawrence and Cake are in the bar talking about the arrest of Blue, the beer in front of Cake goes from full with a full head, to half empty, to full without a head, to full with a head.
Continuity mistake: At the very start of the tournament, when we see all the platters break at the same time (wide shot showing all tables), we see Eddie's table is second from the left and three tables up. Notice the referee one table behind Eddie. In the close shot after the break, we now see that the referee, who was standing still in the wide shot, is now a table further down.
Continuity mistake: Sloan's pants change from blue to white after he is captured attacking Lane's house.
Continuity mistake: About 35-40 minutes into the film, Jules and Jess are at the bus stop. Pinky's future in-laws drive by in the Jaguar with nothing in front of them. When the camera shot moves back as they enter the bend, another car has appeared in front of them.
Continuity mistake: When Jimmy goes into the big house, he does not close the door, but while he is dancing you can see behind him the door open/close/open.
Continuity mistake: In one scene, in the middle of the movie, one of the older players is sitting in a chair near the basketball court, and he is wearing sweat pants, white ones I believe. He is then asked to come in to play by Eddie (Whoopi Goldberg). He then stands up. But in the next scene he is walking up to the other players on the basketball court taking off a light jacket, but no sweat pants.
Continuity mistake: When Spencer Tracy takes Katharine Hepburn to the baseball game (about 20 minutes into the film), several plays supposedly from that game are shown. Some of the plays take place on a diamond that has a well manicured dirt path from the pitchers mound to home plate, while others take place on a diamond with an all grass infield and no path.
Continuity mistake: When Michelle gives her pep talk to Coach Fields, the house they're in is the house they moved from at the beginning of the movie.
Continuity mistake: The cars change shape frequently during the movie. That depends on the fact that many scenes were filmed at real races, with real F-1 cars. The cars that the actors drove were, for the most part, disguised F-3 racers. There are at least three fake Ferraris, and they all look different. One of them seems to have been built to resemble a 1965 F-1, but altered to look like a 1966 model. The non-existent Yamura (built to resemble a Maclaren), that James Garner drives is actually two cars with different chassis, one of them seems to be used very little, except when it catches fire in a scene.