Goofs

When Gwen is talking to her sister by the lake, we see them embrace before it cuts to a shot of their reflection in the lake. In the reflection Gwen has sunglasses on her head - which she wasn't wearing before that shot.

When Gwen is getting off the bus in the woods, she has no leg brace on. As the scene progresses, it is back on.

While Gwen is talking with her sister by the phone to ask her to come on the family session, there is blue bracelet on her hand at the beginning but not in the end of the conversation.

At the wedding reception, when Gwen and Jasper are dancing, they begin spinning in circles while holding hands. In most of the shots Gwen is holding onto the bow from the back of her dress. But in one shot it magically appears on the back of her dress again.

During the "Santa Booze" skit, Gwen starts with two ribbon curls but after she hangs the sign on Andrea, she clearly has more.

During the 'Santa Booze' skit, Daniel (a former doctor) corrects Oliver's pronunciation of the disease 'Falcon' suffers from by saying something that sounds like "Melagioma Nestocytroma", but there is no such disease.

Contributors have pointed out that when she leaves after 28 days many of the same patients are still there, they assume this is an error, but they assume all the patients receive the same amount of time in rehab.

When Gwen is trying to raise a horse's hoof, her back skin can be seen in the top right corner slipping through her shirt.

When Gwen leaves after 28 days, many of the other patients who were there when she arrived are still being treated at the facility.

I saw this film on disc, so maybe the theatrical version was different, but I lost count at 12 flagrant boom mic drop ins.