Check out Polynoid's beautiful VFX work for Halo 4: Forward Unto Dawn's opening.
Halo 2: Anniversary - Cinematic Trailer
Take a first look at the overhauled Halo 2: Anniversary cut-scenes in this trailer from Blur Studio.
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.
Making Halo 4 - Part 1 and 2
Join 343 Industries on a 20 minute behind the scenes featurette on the creation of Halo 4.