CNN by Brian Lowry

Funny, sentimental, and anchored as always by Tony Shalhoub’s “defective detective,” it’s a worthy follow-up that goes beyond just being a nostalgic exercise.

Los Angeles Times by Robert Lloyd

Just as pure fan service, it’s a welcome return. If you liked “Monk” you’ll obviously want to watch it — and if you’ve never seen “Monk,” you should watch “Monk.” (The entire series is streaming on Peacock as well. It’s a lot of fun.)

Slashfilm by Devin Meenan

Even with a runtime twice as long as the typical "Monk" episode, "Mr. Monk's Last Case" has the same breezy pacing — mostly.

Collider by Isabella Soares

Even though the cast helps to nurture the sense of nostalgia in the film, it doesn't prevent the screenplay from failing to match the tone of the OG series.

Chicago Tribune by Nina Metz

If the central mystery is unsatisfying, Shalhoub remains the reason to watch. He imbues this difficult, ridiculous man with so much humanity in a performance that is both clenched and silly.

Screen Rant by Marcelo Leite

The Monk reunion is a film made for fans of the TV show — it doesn't try to go beyond that, which is ultimately good news.