The action ramps up in episode 4 of Halo 4: Forward Unto Dawn.
Halo: Nightfall - Official Trailer
The official trailer is out for the Halo: Nightfall series.
Jayden Paterson - Houdini FX Reel 2014
Jayden Peterson has posted a reel showcasing his Houdini FX work.
Making Halo 4 - Part 1 and 2
Join 343 Industries on a 20 minute behind the scenes featurette on the creation of Halo 4.