Towards the end of the movie, two creatures merge into each other and a huge blob of gloppy, pink, intestine looking glop forms on the ground, very disturbing to look at as it merges into one big creature
In the beginning, De Namolos, Rufus's teacher, storms into Bill and Ted University and gunfire is used, though no one dies, but people are shot at. Robot replicas of Bill and Ted are shown, as they stretch their prosthetic skin to reveal their machinery. One student faints, played for laughs.
It is implied that Rufus is lost in the circuits of time, but we only see his guitar that he used to tether himself onto the phone booth slashed, and the rope cut.
The robots kill the real Bill and Ted by pushing them off of a cliff in Death Valley. Their dead bodies are seen, as well as an implication that one of the robots spit on Ted.
Bill and Ted "Melvin" Death himself.
There is a reference to possession, as well as the first and third films in The Exorcist series. Later on, Bill and Ted possess both Ted's father and a police sergeant to tell the police that Bill and Ted were killed. The go to a seance and tell them the same thing. They get sent to hell because of this.
Hell is a bit frightening, even the guardians and the picking of their eternity in hell.
Bill and Ted are taken to Heaven, where they steal some peoples's clothes by punching them offscreen.
The robots trash the place, as they both decapitate each other and play basketball, as well as football. The machinery is seen around their necks, as well as ports.
Bill and Ted late wake up from being dead, as they find out that a buzzard was pecking at Ted, and a worm was in Bill's ear. Station, as well as Death, both come from Heaven.
The robots trash some girls' house, as well as attempting to run over a mouse on the street. The both reveal their machinery, as well as bad breath to the girls as they faint.
Station runs into each other to create a gigantic version of himself. He transforms from goo, which will disgust some.
The good robots replicas of Bill and Ted, created by Station, kill the bad robots by bashing the heads off, as they fly off and the robots explode.
De Nomolos electrocutes every camera at the Battle of the Bands to transmit those channels to everyone in the world. The handlers survive, but are grazed a little.