Stana Katic poses with her award at the 2014 People's Choice Awards in Los Angeles
IN PHOTO: Stana Katic poses with the award she won for favorite dramatic TV actress for her role in the series "Castle" at the 2014 People's Choice Awards in Los Angeles, California January 8, 2014. REUTERS Reuters/Kevork Djansezian

"Castle" Season 6, Episode 16, titled "Room 147," airs on Feb. 24 on ABC. In this week's episode, Kate Beckett (Stana Katic) and Rick Castle (Nathan Fillion) will face a never-before seen challenge on the crime-dramedy series. But on Twitter, Stana seems more excited about Episode 17, "In the Belly of the Beast." Watch the promo video as posted on YouTube.

Spoiler alert: This feature contains spoilers on Castle Season 6, Episodes 16 (Room 147) and 17 (In the Belly of the Beast). Read at your own risk.

The wedding date for Rick Castle and Stana Katic is fast approaching. Castle series creator and showrunner Andrew Marlowe is expected to draw out the big villains ahead of the wedding for more suspense on the show. But Castle Season 6, Episode 16 will not be about the big bad guys.

In this week's new episode on ABC, Castle and Beckett will face a number of admissions to a crime, all of which are suspicious. The big bad villains will come out in Episode 17, "In the Belly of the Beast." This episode's promo suggest Stana Katic's Beckett will be in a perilous mission. Her life might even hang in the balance.

Stana Katic on Twitter teased fans, saying the filming of Castle Season 6, Episode 17 was an "incredible ride!!!" This instalment was written by Andrew Marlowe himself, together with David Amann. Rob Bowman directed the episode.

Still, according to spoilers, there are some nice highlights in Castle Season 6, Episode 16. Alexis (Molly Quinn) and Beckett will have a nice moment, which is something Stana's fans would truly appreciate.

See the promos of the two episodes below. (Scroll down to play.)

Watch: Castle Season 6, Episode 16, Room 147 (ABC Promo on YouTube)

Watch: Castle 6x17 Promo CTV 'In The Belly of the Beast' (LQ) on YouTube

Still on Twitter, fans of Castle and Beckett are reminiscing the couple's romantic history. Here are sample tweets of those excited to see Stana in Beckett's wedding dress again (in an actual ceremony this time).

remember when Beckett was all "If we're married I want a divorce" and now pic.twitter.com/UCt781ug8l

— morgan (@Stanatic41319) February 24, 2014

Here's another one:

Season 1 Beckett : We are not married! Season 4 Beckett : If we were getting married.... Season 6 Beckett : I'm marrying him <3 — Kat ☯ (@Castillionism) February 19, 2014

Castle Season 6, Episode 16 airs this week (Feb. 24) on ABC. The next episode, 'Belly of the Beast,' airs on March 3.

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