Audio problem: When Teeny and Sam are on the swings, talking with Chrissy and Roberta, a few lines of Teeny and Sam's dialouge is either out of sync or completely dubbed with/over their lip movements. Also, in one shot Teeny is heard laughing, yet her mouth is closed tight. (00:08:45 - 00:10:15)
Other mistake: When the girls are in the diner and Chrissy is counting money, you see a picture of the tree house in a tree, it is the same tree as the one the girls use after they buy the tree house.
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)