"Pretty Little Liars" actress Kara Royster will be guest starring in the next episode of "Supernatural" Season 12. With that being said, The CW has finally released the official plot summary and preview trailer clip for episode 6 "Celebrating the Life of Asa Fox".

"Pretty Little Liars" actress Kara Royster has officially booked a guest character in the upcoming episode of "Supernatural" Season 12. According to Inquisitr, the 22-year old African-American actress will play the role of Alicia. Alicia is a supernatural hunter. She is raised by a witch and happens to be the sister of Max.

Royster will debut in the 6th episode with the title of "Celebrating the Life of Asa Fox". From there, she will cross paths with Sam, Dean, and other hunters as they gather for Asa Fox's (Shaine Fox) death.

As for the official plot synopsis of episode 6, Spoilers Guide notes, "Three Winchesters are better than one. When hunters gather together to celebrate the life and tragic death of one of their own, Sam Winchester (Jared Padalecki) Dean Winchester (Jensen Ackles) and Mary Winchester (guest star Samantha Smith) must take action when a demon starts picking off hunters one by one."

For a quick rundown of last week's episode 5 titled as "The One You've Been Waiting For", Den of Geek UK reported that the Winchesters took over Fuhrer.

Elsewhere, a group of German witches had a crazy plan as they offered one of their member to bring Adolf Hitler back to life. Hitler's soul was locked up in a gold watch made during the 1930s.

The witches succeeded on their plot but before the dictator proceed with his orders to continue his terror in the present times, Sam and Dean came in.

Dean successfully shoot Hitler in his head.

"Supernatural" Season 12 episode 6 is titled as "Celebrating the Life of Asa Fox". The upcoming episode is scheduled to premiere on Thursday, November 17, 2016, at 9:00 p.m. EST first and exclusive on The CW.

"Supernatural" is an American fantasy horror television series created by Eric Kripke.