The action ramps up in episode 4 of Halo 4: Forward Unto Dawn.
Halo 5: Guardians - Spartan Locke CG Trailer
Platige Image have created this CG trailer for Halo 5: Guardians.
Halo 4: Spartan Ops - Episode 7 Trailer
The seventh episode of Halo 4: Spartan Ops is shaping up to be an action packed one, according to this trailer.
Halo 4 - CG Intro
Digic Pictures have created this CG intro for Halo 4's single player campaign.