Are you sure? USA's website says January 13.
Well, it was advertised as "all new".I had never seen the episode before.
I've watched most of it twice now (you have to watch every second, or you'll miss an important clue) and I still need to see it a 3rd time. I tend to shut my eyes during commercials and then I'm out! Sometimes it is repeated on Sat. morn, so I hope it is today because I am still missing a couple of links to the story line. LOL.
Naturally, Monk and Natalee solve the murder. And Randy Disher and the Capt. harmonize on O Holy Night at a Christmas party. They are pretty good -- especially Randy. They actually are outstanding because they sing as if it is spontaneous and they are just doing it for the first time -- complete with mistakes and occasional flat notes. That is very hard to do!
I will say no more so I won't spoil the story.