DLC Spotlight - Spartan Ops Season 1
Halo 4's Spartan Ops mode takes place six months after the main campaign ends. Your character becomes a part of Fireteam Crimson, dedicated on taking down the Covenant general Jul 'Mdama. There are ten episdoes in Season one, and the first five were released throughout the first few months of the game's release. After episode five, the remaining episodes have to be downloaded via the Xbox Live Marketplace. They come in a pack, and the episodes were realeased from the end of January to mid-February.
Here are the names of the episodes, the release date, and a short synopsis of the events:
-6. Scattered (Jan. 21): Spartan Gabriel Thorne disappears via "The Didact's Gift" and is hunted by an Elite Assassin.
-7. Invasion (Jan. 28): Infinity must fight off a Covenant invasion.
-8. Expendable (Feb. 4): Team Majestic reunite and help get Dr. Glassman home. Capt. Thomas Lasky receives orders to eliminate Dr. Catherine Halsey after she is caught communicating with Jul 'Mdama
-9. Key (Feb. 11): Commander Sarah Palmer volunteers to kill Halsey. Dr. Halsey meets the Librarian and gets captured, but not before giving half of the Librarian's key to Spartan Thorne
-10. Exodus (Feb. 18): Crimson, Majestic, and Palmer find Halsey. The doctor loses her arm and feels that the UNSC has betrayed her, and joins 'Mdama to exact her revenge.
(I have not actually play Episode 10 yet, so I do not truly know what happens; I had to look the ending up.)
You can find Spartan Ops Season 1 for Halo 4 on the Xbox Live Marketplace for free.