Audio problem: When the girls paint the garage, the Wormers come along. One wormer says to Chrissy "Maybe it's your armpits, lardbutt," but his mouth says "lardass." (01:09:00)
Continuity mistake: When the girls are painting the garage, the Wormers come along. In a side shot of Scott saying "ladies," Chrissy is standing directly behind him. Yet in the next frontal shot of him Chrissy has disappeared. (01:09:15)
Continuity mistake: When the girls ride up to Sam's Grandma's house, the distance between the stand of flowers and the door changes between shots. (01:09:45)
Revealing mistake: Sam and Teeny clearly look down at their actor marks as they walk to Sam's Grandma's door. (01:09:45)
Continuity mistake: When the girls enter Sam's Grandma's house, the position of the dress hanging over the bench, indoors, near the door, changes. (01:10:00)
Continuity mistake: When Sam's Grandma brings in the tray of lemonades, she picks up two glasses of drink, but in the next shot Teeny, Chrissy and Roberta all have a glass. (01:10:40)
Continuity mistake: When Sam's Grandma takes a bite from her cookie, the bracelet around her wrist changes position from shot to shot, evident by the large turquoise ball which dangles from it. (01:11:10)
Continuity mistake: When Grandma is cleaning the floor, you can see the plate of cookies is on the table. Moments later when she takes the girls cups from them, the plate of cookies is on the serving tray. (01:11:50)
Continuity mistake: The girls are round Sam's Grandma's house drinking lemonade. Then when Grandma runs over to take their cups away, a cushion appears on Teeny's lap between shots. (01:11:55)
Audio problem: When the girls are climbing up onto the roof to get in Sam's grandma's attic, Chrissy says "We could get in trouble for this," but her mouth moves to a different line. (01:12:25)
Continuity mistake: After Teeny puts the record on in the attic, a pair of white gloves suddenly appear, hanging out of the drawer behind her. (01:13:20)
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 her Grandma's attic, Sam opens a trunk. In the wideshot there is a little box opened, with nothing on the lid. It cuts to a wideshot and there are photos laying on the lid. Then moments later, Sam goes to pick up a large red scrap book. It cuts to a closeup, and she's now holding some newspaper sheets. (01:13:55)
Continuity mistake: When the girls see the 'floating' tombstone coming toward them, Teeny gets up twice between shots. (01:18:45)
Continuity mistake: The flowers which sit on Dear Johnnys grave change position. (01:21:40)
Continuity mistake: When Sam is in the cemetery with Crazy Pete near the end, the rolling fog is inconsistent between each shot. (01:21:45)
Continuity mistake: The flowers that Sam holds change while she is at Johnny's grave. (01:21:45)
Visible crew/equipment: When Roberta runs over to the limo, to talk to the driver about letting her use the limo to get to the hospital, there is a microphone bobbing around, perfectly reflected on the limo windshield. (01:25:30)
Continuity mistake: When Roberta swerves out onto the road, in the limo, you can see the front drivers window is open all the way down. In the next shot where she yells "sorry," it's wound up all the way. (01:25:55)
Answer: Reshooting certain scenes would most likely necessitate new stunt people, as the first one(s) would most likely be hard to get back.