The third episode has been released for Halo 4: Forward Unto Dawn.
Halo 5: Guardians - Beta Trailer
This teaser for Halo 5: Guardians shows a sneak peek of intense spartan action for the game's beta.
Halo 4: Spartan Ops Extended Behind the Scenes
343 Industries and Axis Animation talk about creating the unprecedented Spartan Ops content for Halo 4.
Halo 4 - Composing Worlds
This developer video for Halo 4 shows how the musical score was created for the upcoming sci-fi game.