"Game of Thrones" Season 5, episode 4, "The Sons of the Harpy," ended on a pretty shocking note. The fate of two popular characters now weighs heavy on the minds of "GoT" fans, and the preview for the next episode, "Kill the Boy," gives us some clues about what to expect.

Warning: "Game of Thrones" Season 5 spoilers ahead.

The "Game of Thrones" Season 5, episode 5 preview kicks off with what looks like a funeral for Ser Barristan. The clip is a tense one that includes a quick look at Tyrion getting his first glimpse of Drogon flying overhead. Ramsay Bolton quickly reminds everyone why he and his family are completely terrifying. Sansa seems to have her own reservations about being left alone at Moat Cailin, while Brienne is trying to figure out how to protect her. Over at Castle Black, things aren't too cozy as the Night's Watch prepares for winter and Stannis plans on attack on Winterfell and the Boltons.

"Dany [Emilia Clarke] makes a difficult decision in Meereen. Jon [Kit Harington] recruits the help of an unexpected ally. Brienne [Gwendoline Christie] searches for Sansa [Sophie Turner]. Theon [Alfie Allen] remains under Ramsay’s [Iwan Rheon] control," reads the episode synopsis for "Kill the Boy."

HBO released several clips exploring everything that happened in "The Sons of the Harpy." " 'Game of Thrones' Season 5: Inside the Episode #4" sees series creators David Benioff and D.B. Weiss talking about the Sand Snakes, the trio of women who made their debut this week. Sansa's homecoming as well as Stannis' heart-to-heart with his daughter Shireen also are discussed in the feature.

When Littlefinger detailed his scheme to Sansa in the crypts of Winterfell, viewers were wondering just how much we should trust this master manipulator. That question also is explored by Sophie Turner in another clip discussing Sansa's return home and upcoming marriage to Ramsay Bolton.

While the Sons of the Harpy will be killing the Unsullied in Meereen, another group is wreaking havoc in King's Landing. Author George R.R. Martin talks about the High Sparrow and the history of the Faith Militant in another clip.