Other mistake: A shot of Karen on the exercise bike is used twice: the first time is out of order with the following shots because her hair is long, then short, then long again. The same shot is used to depict a few years later.
Other mistake: After the state troopers collide with Bob's pickup truck, both vehicles crash into a fire hydrant improbably located alongside a deserted country highway. (01:29:45)
Other mistake: Whenever Jackie uses a tattoo gun, particularly in the scene where she's tattooing Faith, the camera angles make it obvious that the needle isn't moving.
Other mistake: In the beginning of the movie, Notorious B.I.G. is a little boy sitting on his porch writing rhymes on his notebook and he is left-handed. Later in the movie, when Notorious B.I.G. is an adult, he is right-handed.
Other mistake: At the beginning, Pierre's doorbell rings. He goes to answer it, only to see Pépinot walking up the driveway. How could he ring the doorbell while walking up the driveway?
Other mistake: Two mistakes in one scene. Continuity Error: As Dewey's father is dueling with Dewey with a machete, Dewey's father cuts a ladder in half. Later in the same scene, you will notice that the ladder is whole. The second (Revealing Mistake) shows a wire leading up from the barn floor to Dewey's father's bottom half, supporting the effect. (01:12:10 - 01:13:05)
Other mistake: When Cheech and Chong are crossing the street talking about Cheech's uncle, two buses are coming. When the second bus passes by the camera, a kid on the bus waves his hand to the camera. (00:38:15)
Other mistake: Christopher Walken Is on the phone to a producer in LA telling him he would get rid of the singer's boyfriend and the band. Cut to producer saying hurry up and you hear Walken hang up his phone. Cut to Walken saying OK and hanging up for the second time.
Other mistake: When Terry visits Jim in his grotty room, Jim pulls out his Buddy Holly LP and tells his friend he's been waiting months to hear it. When he places it on the turntable, and plays it, what comes out is 'Donna' by Richie Valens.
Other mistake: When Lulu is looking at herself in a three sided mirror as a monkey, the reflections do not match up with her position of her hands. Most noticeably with the reflection on the right side. (00:05:40)
Other mistake: Swan visibly misses the Phantom's finger when he stabs it to draw blood for his contract.
Other mistake: After Marie and Fritz take off to the Christmas tree in the first scene where they talk to their parents, Fritz is shown pulling toy soldiers off the tree to play with. In the first shot of the tree, Fritz stands back up from the toys he has already taken down and reaches for another one. There is nothing in his hands. The spot he reaches for has nothing in it, but as soon as his hands reach that part, a toy soldier suddenly appears in the spot he touches, without the camera cutting. And then in the next shot he bends down and puts his hands on his toys as if he is placing the toy soldier with the rest, but there is again nothing in his hands.
Other mistake: At the beginning of one of the school years, there is a sign on the front of the school that says, "Welcome back Class of 1980". A few months later, in December of that same school year, John Lennon is murdered. Since that class is graduating the following spring, the sign should have read "Welcome back Class of 1981", not 1980.
Other mistake: When JB is leaving the cafe, he pays money, but he did not buy anything.
Other mistake: On the DVD, when you put the subtitles on, in the scene where Devon, Jason and Ernest are in their dorm, one of the subtitles say "Jason groans," but Jason is just sitting there doing nothing and it is really Ernest groaning. (00:18:36)
Other mistake: After Frank's first visit to Rachel's house he's in the car and in the last close-up shot of him when he's about to drive away, he puts the car into park.
Other mistake: In the scene where ADD is playing Rock Band in the tour bus, the game continues to play by itself after Matt, Curtis and Amelia are interrupted by a phone call from their manager informing them that they will shoot a music video.
Other mistake: At the end, when Bill and Ted reunite with their wives, one of them mentioned hearing Ted say something about distributing instruments to everyone throughout all time. However, Ted said this a minute or 2 before they arrived. We even see the phonebooth they are in land after the statement was made. Therefore, there was no way for his wife to hear him say that.
Other mistake: When Doolittle is running his jeep up the muddy hill near the beginning, the landscape changes. The hill is a straight 40° angle, but in the close shots behind the wheel, it changes to a steep 80° which no vehicle could realistically terrain, except perhaps an army tank. And he stalls out several times and has to back up, which would not happen at the 80* steep. Then he miraculously makes it over the top.
Other mistake: Ritchie's 1950's Fender guitar amp looks like it would have looked in the 1980's when it should have only been a couple of years old in the movie.