"Game of Thrones" Season 4 DVD release date has been anounced for February the 17th in the United States.

No UK release date has yet been announced, though all things being equal, we can expect to hear the satisfying thud of a bubble-wrapped box-set arriving through the letter box around a week later in the UK.

Here are details of the extras and special features to expect, taken from the official press release

"Available February 17, 2015 on Blu-ray with Digital Copy ($79.98), DVD ($59.99) and Digital HD, Game of Thrones: The Complete Fourth Season is packed with exclusive new bonus content including roundtable discussions, on-set interviews, audio commentaries, and brand new animated histories giving fans hours of extensive, never-before-seen material.

Blu-ray with Digital Copy - includes all DVD features plus: In-Episode Guide - In-feature resource that provides background information about on-screen characters, locations and relevant histories. Histories & Lore - Learn about the mythology of Westeros as told from the varying perspectives of the characters themselves.

DVD includes : Behind the Battle for the Wall - Follow the cast and crew as they create the most ambitious battle to date. This 30-minute documentary explores the challenges of putting together one of the series' most intense episodes, with never-before-seen material The Fallen: A Roundtable - Writer Bryan Cogman sits down with a few of the many cast members who meet their demise in Season 4. From first learning of their deaths to shooting their final scenes, this 30-minute feature will shed light on what it's like to live-and die-in the Game of Thrones world.The Politics of Power: A Look Back at Season 3 - Revisit the brutal events of Season 3 to see power shifts that define Westeros at the start of Season 4. Bastards of Westeros - Hear showrunners David Benioff & D.B. Weiss and author George R.R. Martin discuss the role bastards play in the Seven Kingdoms. Deleted/Extended Scenes - Two deleted scenes. Audio Commentaries - Commentaries with cast and crew including showrunners David Benioff and D.B. Weiss, A Song of Ice and Fire author George R.R. Martin, Sophie Turner, Maisie Williams, Pedro Pascal, Aiden Gillen and more!"

Of particular interest is the 30-minute documentary titled "Behind the Battle for the Wall," which will dive deep into the production of the bloody and brilliant battle which took up the entirety of episode 9, "The Watchers on the Wall." The documentary will go behind the scenes with the cast and crew, and include brand-new footage of the physically and emotionally draining shoot.

"The Fallen: A Roundtable" looks like another good segment. In this featurette, writer Bryan Cogman sits down with several cast members whose characters met their ends on "Game of Thrones" season 4. "From first learning of their deaths to shooting their final scenes," the press release says, "this 30-minute feature will shed light on what it's like to live - and die - in the 'Game of Thrones' world."

In addition to this material, the Blu-ray edition of "Game of Thrones" season 4 will also include the "In-Episode Guide," providing viewers with character and story information. There will also be further "Histories and Lore," animated segments telling over the mythology of Westeros and Essos.

The Blu-ray edition of "Game of Thrones" season 4 will retail for $79.00, and the DVD for $59.00. Both editions will be available for pre-order on Jan. 13, 2015.