This season of “Games of Thrones” really kicked into high gear this past Sunday with episode 5.08, “Hardome.” If you haven’t seen it yet, stop reading now to avoid spoilers. If you have, though, you can check out a new behind-the-scenes featurette that explores “The Massacre at Hardhome” in the player below!

Written by David Benioff & D.B. Weiss, “Hardome” was directed by Miguel Sapochnik. You can check out our full recap of the episode right here.

Returning series regulars this season include Emmy and Golden Globe winner Peter Dinklage (Tyrion Lannister), Nikolaj Coster-Waldau (Jaime Lannister), Lena Headey (Cersei Lannister), Emilia Clarke (Daenerys Targaryen), Aidan Gillen (Petyr “Littlefinger” Baelish), Kit Harington (Jon Snow), Diana Rigg (Lady Olenna Tyrell), Natalie Dormer (Margaery Tyrell), Maisie Williams (Arya Stark) and Sophie Turner (Sansa Stark). New cast members for the fifth season include Jonathan Pryce (the High Sparrow), Alexander Siddig (Doran Martell), DeObia Oparei (Areo Hotah), Keisha Castle-Hughes (Obara Sand), Rosabell Laurenti Sellers (Tyene Sand), Jessica Henwick (Nym Sand), Nell Tiger Free (Myrcella Baratheon) and Toby Sebastian (Trystane Martell).

Next Sunday, HBO delivers the fifth season’s penultimate episode with 5.09, “The Dance of Dragons.” It is officially described as follows:

“Stannis (Stephen Dillane) confronts a troubling decision. Jon (Kit Harington) returns to The Wall. Mace (Roger Ashton-Griffiths) visits the Iron Bank. Arya (Maisie Williams) encounters someone from her past. Dany (Emilia Clarke) reluctantly oversees a traditional celebration of athleticism.”

Written by David Benioff & D.B. Weiss and directed by David Nutter. “The Dance of Dragons” is set to air June 7 at 9:00pm ET/PT on HBO.