Master Chief nukes some Covenant in this CG trailer for Halo: The Master Chief Collection.
Halo 2 Anniversary - Cinematic Launch Trailer
Here is the cinematic launch trailer for Halo 2 Anniversary, featuring CG by Blur Studio.
Halo 4: Spartan Ops - Episode 9 Trailer
A trailer is out for the next CG episode of Halo 4: Spartan Ops.
Halo 4 Trailer VFX Breakdowns by Method Studios
Method Studios do VFX breakdowns of several scenes from their recent cinematic trailer for Halo 4.