Actress Stana Katic poses at the 2014 Environmental Media Awards at Warner Bros. Studios in Burbank, California
IN PHOTO: Actress Stana Katic poses at the 2014 Environmental Media Awards at Warner Bros. Studios in Burbank, California October 18, 2014. Reuters/Mario Anzuoni

"Castle" Season 7, Episode 11 ("Castle, P.I.") airs this Monday, Jan. 12, on ABC. The series returns this week with a new episode after a triple victory at the recently concluded People's Choice Awards 2015. Stana Katic and Nathan Fillion celebrated their wins on Twitter. In Castle 7x11, it's Castle vs Beckett at the 12th Precinct.

Spoiler alert: This update contains Castle Season 7 spoilers. Read at your own risk if you have not watched the previous episodes.

Both Stana Katic and Nathan Fillion expressed their appreciation of the fans' support and the entire production's work on the show. See Fillion's post below. Meanwhile, there will be a big change in this week's episode of Castle Season 7.

Rick Castle secures a private investigator's license after getting kicked out of NYPD. Followers who have read these spoilers are eager to find out how everyone reacts to this in Castle Season 7, Episode 11.

Fans are likely to remember the Castle Season 2 in which Castle and Beckett team up against Ryan and Esposito in a race to find the murderer in their separate cases. (Episode 2, "The Double Down") Some spoiler reports indicate there will be some friendly competition again, but it's Castle vs Beckett and their friends at the 12th.

Castle Season 7, Episode 11 is not the only episode with an apparent reference to private investigation. Episode 12 is titled, "Private Eye, Caramba!"

ABC's Castle has been a PCA favorite since 2012. This is the fourth time that the series won Favorite TV Crime Drama. Nathan Fillion has so far won Favorite Crime Drama TV Actor three times, while this is the second consecutive year for Stana Katic to win Favorite Crime Drama TV Actress.

Castle drew four nominations in this year's PCA, but the actors lost Favorite TV Duo to The CW's "Vampire Diaries" stars Ian Somerhalder and Nina Dobrev.

In PCA 2014, Kevin Ryan (Seamus Dever) and Javier Esposito (Jon Huertas) were nominated for the Favorite TV Bromance category. Sam (Jared Padalecki), Dean (Jensen Ackles) and Castiel (Misha Collins) of The CW's "Supernatural" won the title.

PCA 2015: Nathan Fillion Gives A Shout-out To 'Castle' Colleagues

Congratulations to all the hard working men and women of Castle. You carry this show on your super sexy backs. I love you all.

— Nathan Fillion (@NathanFillion) January 8, 2015

Castle Season 7 airs Mondays on ABC. Episode 10 premiered Dec. 8 and entertained fans ahead of a month-long hiatus.

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