Here is the second CG episode created for Halo 4's Spartan Ops.
Stuart Aitken from Axis Animation Talks Halo 4's New Spartan Ops CG Episodes
Axis Animation's Stu Aitken talks about leading the production of the Halo 4: Spartan Ops CG episodes.
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.
Halo 4: Forward Unto Dawn - Episode 3
The third episode has been released for Halo 4: Forward Unto Dawn.