"Game of Thrones" Season 5 hasn't delivered as much action as past seasons, but it looks like that's about to change. The preview for "Game of Thrones" Season 5, episode 4, "The Sons of the Harpy" puts the focus on Jaime Lannister, Dorne and Daenerys, and the upcoming conflict between the titular group and the Sparrows. The new clip also reveals the Sand Snakes will make their debut in the latest episode.

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

Dorne, Jaime and Daenerys return after sitting out "High Sparrow." "Game of Thrones" Season 5, episode 3 pushed the storyline of Sansa Stark in a shocking way while Arya Stark began her training with the Faceless Men in Braavos. Tyrion took a break in a brothel in Volantis but was captured by Jorah Mormont. In the North, Stannis made plans to attack the Boltons and Jon Snow executed Janos Slynt.

In "Game of Thrones" Season 5: Episode #4 Preview," we get a look at the Sons of the Harpy clashing with Dany's unsullied. In "The House of Black and White," Daenerys tried to maintain order while doling out justice, but that further divided the city. It looks like everything is coming to a head in episode 4. The video also includes a visit to King's Landing to see how Cersei is dealing with the Sparrows. The religious group's High Sparrow is now serving as the High Septon, and it looks like Cersei will continue to scheme and attack her foes.

Fans eagerly awaiting the debut of the Sand Snakes will not have to wait any longer. Ellaria Sand wants them to wage war against the Lannisters and we see a shot of Obara Sand using her spear. There's also a scene where Jaime is fighting with an individual wearing Dornish clothing.

While we await the next episode, HBO has released several "High Sparrow" clips that break down all the interesting developments. The "'Game of Thrones' Season 5: Inside the Episode #3," feature dives into the chilly relationship between Margaery and Cersei. It's all about power, and these two will continue to spar throughout the series. Arya's apprenticeship is also discussed by series creators David Benioff and D.B. Weiss as is Jon Snow's decision to execute Janos Slynt.

George R.R. Martin is featured in another clip discussing Arya and her role with the Faceless Men. They are servants to death and have no identity other than providing individuals the "gift."

Kit Harington discusses why it was so important for Jon Snow to execute Janos Slynt in "High Sparrow." As Harington notes, Slynt betrayed his father, and it's a nice bit of payback for the viewers.

"Game of Thrones" Season 5, episode 4, "The Sons of the Harpy," airs Sunday at 9 p.m. EDT on HBO.

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