Currently on a hiatus until 2014, ABC's hit crime TV series, Castle, has its fans buzzing as to what's going to transpire when the program returns for the second part of season 6, as actress Stana Katic (Kate Beckett) recently took to social networking to throw its loyalists some potential hints.

On Twitter, Katic retweeted a select number of Caskett fans' ideas that they're excited to explore more of, which included the return of The Triple Killer (3XK), the Senator Bracken and Beckett conflict, a potential split between Alexis and Pi, James Brolin as Castle's father, and the wedding between Castle and Beckett.

More On Pi, Castle's Dad & The Triple Killer

While all of the various topics mentioned are popular, its Beckett's concerns over her future union with the crime novelist that has them talking the most.

In the upcoming episode 11 promo video, Beckett asked Castle the following:

"Should I be concerned about your commitment to our engagement?"

Beckett's Commitment Concerns Could Send Castle Back Into The Arms Of His Ex?

ABC's Castle will be airing its next episode on Monday, Jan. 6 at 10 p.m. EDT. Be sure to keep checking back for more of the latest details on the popular TV series. The above-mentioned promo video can be viewed below.

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Castle, ABC, Television