Continuity mistake: When the girls ride away and scatter the boys' clothes on the ground, a truck is visible on the road in the background. When the boys run after the girls, the truck is gone.
Continuity mistake: The level of coke in Chrissy's bottle keeps lowering/rising, as they talk in the diner. (00:19:25)
Continuity mistake: The way Teeny holds her Cosmopolitan magazine changes between shots, just before she reads her horoscope aloud. (00:20:00)
Continuity mistake: When the girls steal the Wormers clothes, we see two pairs of underwear being thrown to the floor. However when the boys pick them up, they are in different locations. (00:37:55)
Continuity mistake: In the diner scene, Sam's reading book disappears after they look out the window. (00:18:40)
Continuity mistake: At the softball game, Roberta steps up to bat and Scott Wormer, who's pitching, tells the fielders to "move it in". As he turns around between shots the boy in blue to his right is leaning forward and then the next he's upright and then leans forward again.
Continuity mistake: During the Red Rover game in the 70's, the girls all turn around and Sam announces they're going to pick Bobby Fricker. As they turn around, Chrissy is looking at Sam, but then the next shot she's facing Roberta and then turns to Sam and objects.
Continuity mistake: Sam's left hand suddenly gets covered in white paint between shots, as they paint the garage. (01:08:55)
Continuity mistake: At the diner table, Teeny puts her paper straw wrapper down twice between shots. (00:18:55)
Continuity mistake: When the girls are searching through books in the library, Roberta tells everyone to come and look at an article. Whilst getting up, in one shot the book in front of Samantha is open on a page full of both text and pictures. In the following shot the page is just all text. (00:39:25)
Continuity mistake: When Roberta finds the article about her mothers death, Sam and Teeny walk over to her. As they do, if you look under the table, you can catch Sam wearing white socks. In every other shot she doesn't. (00:39:25)
Continuity mistake: The flowers which sit on Dear Johnnys grave change position. (01:21:40)
Continuity mistake: After Sam goes into the drain to get her bracelet, the drain begins to flood. As Sam stands up and tries to get out with Teeny pulling her, the loaction of the bracelet on Sam's arm changes between each shot. (01:06:00)
Continuity mistake: When the girls are in Sam's grandma's attic, Roberta finds a scrap book and says to Sam "Sam I think I found something," and Sam comes and sits next to her. In the wideshot you can see the page they're on has just one large newspaper article glued onto it. However in the following closeup, as she turns the page, you can see the page is different, and has three small seperate newspaper articles glued onto it. (01:13:40)
Continuity mistake: In the scene where the boys are skinny-dipping in the lake, the rope-swing by the trees disappears in one shot and then reappears. (00:34:05)
Continuity mistake: Near the end of the movie, when Chrissy is giving birth, Roberta throws a red object onto the side table, and it rolls off, out of view. In following shots it is back beside Roberta, on the table. (01:27:00)
Continuity mistake: When Teeny hurls the Wormers' undies into the air, the shorts are white briefs. However, when Scott runs to grab them, they're floral-print with an elastic waistband.
Continuity mistake: The flowers that Sam holds change while she is at Johnny's grave. (01:21:45)
Continuity mistake: In the big game of Red Rover in shots of the four girls discussing who to pick, they are standing in complete sunshine with no shade around them. Then when Bobby is running over to them, the whole area of field around the four girls is now in shade. It's then completely sunny again when the girls start cheering because they beat Bobby. (00:01:15)
Continuity mistake: In one behind shot, Scott throws a Jell-O bomb. Instantly in the following shot, he aquires a new Jell-O bomb. (00:15:55)
Answer: Reshooting certain scenes would most likely necessitate new stunt people, as the first one(s) would most likely be hard to get back.