The action ramps up in episode 4 of Halo 4: Forward Unto Dawn.
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 - Terminal Trailer
A new trailer has been released for Halo 4, from 343 Industries.
Halo: Helljumper - Trailer
A trailer for the first episode of Halo: Helljumper, a live action Halo fan series.