Undercovercolumbo : Season 12 Episode 3 -

Instead of a solo act, he works closely with a partner, Sergeant Brown , and an insurance investigator named Irving Krutch (played by Ed Begley Jr. ).

Peter Falk’s real-life wife makes her fifth series appearance as art gallery owner Geraldine Ferguson . UndercoverColumbo : Season 12 Episode 3

This episode is famous (or infamous) for stripping away almost every Columbo trope: Instead of a solo act, he works closely

To infiltrate the criminal underworld, Columbo ditches his raincoat for various costumes, including a brown hat and a "lowlife" persona named Artie Stokes . Instead of a solo act

For one of the only times in the series, Columbo is forced to carry a gun and even gets physically knocked out.