The action ramps up in episode 4 of 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 - Episode 10
Here's the tenth episode of Halo 4: Spartan Ops, created by Axis Animation.
Halo 4 Spartan Ops - Episode 2
Here is the second CG episode created for Halo 4's Spartan Ops.