The eighth CG episode is out for Halo 4: Spartan Ops.
Halo 4 - CG Intro
Digic Pictures have created this CG intro for Halo 4's single player campaign.
Halo 4: Forward Unto Dawn - Part 5
The fifth part of Halo 4: Forward Unto Dawn is now online.
Halo 4 - Composing Worlds
This developer video for Halo 4 shows how the musical score was created for the upcoming sci-fi game.