Castle: Who Will Be Castle's Best Man?

The Castle wedding is cutting close, which means one thing: The battle to be the best man is on! Previewing the first look at Monday's episode of Castle, Beckett has already chosen Lanie to be her maid of honor. However, when Ryan and Esposito over hear about the news, they also find out that Castle has yet to select a best man, you can tell their competitive wheels are starting to turn.

From Dever perspective,"Ryan wants to have a nice time at the bachelor party." "Better he knows a great place with a great wine list. And try to be more of a classy man. But when it comes to Esposito, he is more of party boy."

So will Castle pick one of his precinct buddies, or will he choose a third candidate? Unfortunately for both, Castle may be clueless to the competition that's evolving around him. "The whole time Ryan and Esposito are bribing Castle, all their efforts are being unnoticeable because he's not even aware of what they're trying to."