Coming 14 years after the series signed off, “Mr. Monk’s Last Case: A Monk Movie” – a movie version of the USA network show synergistically made for sister streaming service Peacock – not only reflects the passage of time but concocts a credible excuse for getting the gang back together. 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.