When Ian and Anthony land in a bear attack video and get chased by a bear, some shots of them running don't reveal the bear from behind them.
The mailman gets milk ballooned by Ian, soaking his shirt; yet when he interacts with the second Ian - giving him a bloody nose - his shirt looks immaculate.
The Backflip Microphone Guy sequence has a few scenes delayed, compared to the actual video.
During Ian and Anthony's control over the wisdom teeth driver, one overhead shot shows that the road has a different color compared from a previous shot.
When Ian stuffs a mouthful of soft taco into Butt Massage Girl's mouth, the shots abruptly change showing the BM Girl with a mouthful of taco, then eating a corner of it before going back to a mouthful.
The iPhone has two battery percentages on the lock screen, when there clearly should be ONE.
When Ian and Anthony land in the wisdom teeth driving video, one shot of the road clearly has skid marks from a previous take. The same thing happens as they go through their viewing history and land back into the same video.
Quote: You must go to the land of opportunity. Canada.
As Anthony alights his pizza car and has an encounter with the mailman, the camera crew is vaguely reflected on the automobile.
Shadow of the cameraman's head can be seen on Anthony, after they arrive at their high school reunion.