Other: Just before the evil robots capture Bill and Ted's girlfriends, after they crash through the window, the girlfriends ask the robots: "Who are you?" and Bill goes "Well, I'm really Evil Ted!" and unzips himself and out pops Evil Ted, and the other robot goes, "And I'm really Evil Bill!" and out pops Evil Bill. When the robots are herding the girlfriends out just before knocking them out with their breath, you can see two sets of clothes in the bottom left corner if you watch closely.

Continuity: If you watch the concert scenes, the audiences are all different because it was partially taped at Six Flags Magic Mountain and Culver City Studios. Hollywood (From G.L.O.W. Ladies Wrestling circa 1980's) was sitting in the front row on the viewer's right at the S.F.M.M. taping, and she's not there at the C.C.S. taping.

Continuity: When Bill, Ted, Death and Station, come back from heaven you can see when Death, falls to the ground that he is wearing black sneakers. Up until this point in the movie, he had been barefoot.

Continuity: When Bill, Ted and Death are at the gates of heaven, they are all looking up to the gatekeeper, talking to him. Bill and Ted are in the foreground, with Death behind them. However, when we see a shot of them from behind, Death is in front of Bill and Ted.

Revealing: When Bill and Ted, are playing Battleship, with Death, you can see at the bottom of Death's neck where the crease is of the cap that is covering the actors head to make it look bald.

Continuity: When Death, falls to the ground when everyone gets back from heaven, when he's laying there his robe is covered in dirt from the desert ground. However, when he stands up and the scene cuts back and forth, there is no dirt on the front of his robe.

Continuity: In the scene where Bill and Ted are trying to beat Death at Twister, Bill and Death are on the mat while Ted spins the dial. Ted spins and tells Death "Left foot green." The problem being that the dial is still spinning when he says "Left foot." It has stopped by the time he says green, but he couldn't have known it would stop precisely on left foot.