Continuity mistake: While singing in a duet with Miss Piggy, Céline Dion is wearing a dress with a strap over her right shoulder. Near the end of the song, the strap is suddenly on her left shoulder.
Continuity mistake: When Dominic arrives after Kermit is having an argument, he is looking down at the papers he is holding. In the next shot, he is looking up.
Continuity mistake: In the very beginning, when the crew starts leaving the streets, the Muppet's turn around to find the road abandoned except for a tumbleweed tumbling by. In the next shot, the tumbleweed is gone.
[Dominic puts his business card in front of the muppets.]
Kermit: Dominic Badguy?
Dominic: It's pronounced Bajee. It's French. It means "Decent Man."
Constantine: My name will go down as the greatest thief of all time!
Dominic Badguy: You mean our names, right?
Constantine: Of course. My name first, then spacebar, spacebar, spacebar... Your name.