When Colin asks Ally, "who could have possibly been better than Jake Adams?" he has a piece of pretzel in his hand. When the camera zooms out he doesn't have it anymore and when it zooms back in he has the same piece again.
When the girls are playing the numbers game in the bar and Ally tears her piece of paper, the 2nd half is different shapes in all shots, but when they put the 2 pieces together, it's almost straight tear down the middle.
Ally Darling: My husband is in the north pole. He's a scientist too. He's dealing with the whole ice cap situation. Yeah. He's probably going to fix it.
What are the differences between the R-Rated and Unrated Version?
A
An Unrated Version was released for the home media market that features 16 additional scenes not present in the R-Rated Version. In total nearly 11 minutes of new footage can be found in the Unrated cut, mostly prolonged story sequences but also some nudity. A detailed comparison between both versions with pictures can be found here.