Seann William Scott and Billy Bob Thornton both disliked the film. Director Craig Gillespie also hated the end result, due to last-minute re-shoots done with another director (said director went uncredited, leaving Gillespie to take the blame).
When Farley and Mr. Woodcock are in the barber shop, the
barber uses the clippers to make a huge, very noticeable bald spot in the back of Farley's hair. When he's getting out of the van at Mr. Woodcock's ex-wife's house, there's no bald spot. Then as he's walking to the door, the bald spot is back.
After Farley finds out about his mother's engagement, he storms into the Toby's pizza restaurant and while "venting" he grabs a slice of pizza, disturbing the entire pizza. However, the next time you see the pizza, it is back in its original undisturbed position.
Mr. Woodcock: You're going to find out there are alot more important things to know than the capital of Montana. Nedderman, what's the capital of Montana?