Revealing mistake: When Brad and Caroline are running off in the taxi, across the border to PA, it is obvious that the lighting inside the cab are studio lights from the traveling crew, as natural moonlight would not reflect so strongly inside or out of the cab, at that speed.
For Richer or Poorer (1997)
1 revealing mistake - chronological order
Directed by: Bryan Spicer
Starring: Tim Allen, Kirstie Alley, Michael Lerner, Jay O. Sanders
Genres: Comedy
Other mistake: When Bob is hailing a taxi as he skips town, as the taxi gets closer you can see that the taxi is marked off-duty. (00:19:00)
Frank Hall, IRS: Whoa, look, sir. Hey, I know I may be a little new at this but I don't think we shoot people for cheating on their taxes.
Insp. Derek Lester: Oh. You're right. You are new at this.