From Halopedia, the Halo wiki
Apt. 117 follows the antics of a boring average guy named Jeff, who lives with a Halo obsessed person named Micah in Apartment 117 in apartment complex Autumn Pillars.
The trailer released publicly on the 7 October 2010, detailed the company Powerhouse Animations. After the company details were shown, in 3am Micah is shown to be relaxing in a bath tub singing the Halo theme through a cardboard tube, when Jeff bursts through the door complaining. Micah then proceeds to tell Jeff they are going to be characters in a show. Jeff sarcastically doesn't believe him calling Micah an idiot, to which Micah takes out a nailgun he modified to look like a needler and shot in the direction of Jeff missing him.
Episode 1 of the show has Jeff and Micah argue over Micah never going shopping and playing Halo instead. Jeff then proceeded to turn off the TV that Micah was playing on leading to Jeff to taking them both to Store Mart. Micah then was not enthusiastic till Jeff had the idea to turn it into a game.
Background and development
On September 24, 2010, the first episode of Apt. 117 was shown at Fantastic Fest at a panel dedicated to it. The panel consisted of Micah Lincoln (writer, voice, animator), Brad Graeber (Powerhouse CEO), Alison Stroll (producer, 343 Industries), Jeff Freeman (writer, voice, animator), Rachel Citron(producer), and Jason Williams (Director).