The seventh episode of Halo 4: Spartan Ops is shaping up to be an action packed one, according to this trailer.
Halo 4: Spartan Ops - Episode 10
Here's the tenth episode of Halo 4: Spartan Ops, created by Axis Animation.
Halo 4 - CG Intro
Digic Pictures have created this CG intro for Halo 4's single player campaign.
Halo 4 - Concept Art Trailer
There is some inspiring scenery in this concept art trailer for Halo 4 from 343 Industries.