Halo 4 Spartan Ops: Episode 3 trailer

The third episode in the Halo 4 Spartan Ops series will be available for download on Xbox LIVE next Monday, November 19th. As with all Spartan Ops content you get an all-new CG cinematic and five new missions.

In this episode, players must help Dr. Catherine Halsey collect more intel on the mysterious artifact retrieved from Requiem.