Not a bad episode. I wish it had Danno with McGarrett more. They remind me of the 1970s Odd Couple when they are together. The mystery seemed contrived and way too much coinkidinky for me. Also arresting someone while surfing was just an awesome scene, jaw dropping in that Kono could have waited until they went back to the beach, but still awesome arrest.
Wish they dumped the side stories. The money forgery story is dumb. Focus should be on McGarrett and Danno.