One that I can think of is Mr. Monk and the Rapper. Natalie immediately told Monk that she didn't think that it was Murderess. She stated her reasons why. Adrian was dismissive and asked why she thought that. Natalie said she had a hunch. He dismissed that and she replied he get's hunches sometimes.
Then when they leave the recording session, Denny came out of the building to tell Monk about the "guy" that was hanging around the garage the night before the limo exploded. As soon as he left, Natalie said he's the guy. Monk replied another hunch? Natalie was right! I think there are more