Halo 4: Forward Unto Dawn: Mid-Season Trailer
The Halo 4: Forward Unto Dawn: Mid-Season Trailer is a trailer of the live-action series, Halo 4: Forward Unto Dawn. The trailer was posted on Rooster Teeth's YouTube channel on October 21, 2012.  The trailer runs for 1 minute and 20 seconds and shows the events of Episodes 4 and 5.
John-117 walks into frame as sparks fly from the wall.
- John-117: "Let's go."
Various a shot of ODSTs firing at off-screen Covenant before cutting to one stepping out of his/her pod to the door of the Corbulo Academy of Military Science's space elevator closing to a driving Warthog.
- Thomas Lasky (voiceover): "This is cadet Thomas Lasky. I repeat, mayday! Mayday! There's been an attack on Corbulo Academy. Excessive casualties..."
A rapid montage of various action scenes and the Chief jumping from a ledge in slow-motion.
- Thomas Lasky: "Chief. Chief! Chief!"
"This is Halo live-action done right."
-- Big Shiny Robot
Overhead shot of Corbulo Academy; cut to Colonel K.L. Mehaffey in her office.
- Mehaffey: "Your memories and choices are all you'll have left."
"All of the heart that Hollywood game-based movies lack."
-- Hard Reset
Cut to Cadmon Lasky's final video message.
- Cadmon Lasky: "Ridge didn't make it. You remember Ridge from back home."
Cut to Lasky in the middle of the chaos of the battle at Corbulo Academy.
Cut to various shots of the cadets.
- Chyler Silva: "You want people to change?"
"Forward Unto Dawn nails it."
Cut to Thomas and Chyler sitting together.
- Chyler Silva: "...you're gonna need people to follow you."
Cut to Lasky getting out of a cryo chamber.
- Thomas Lasky: "I'd like to take point, sir."
Cut to Lasky in Col. Mehaffey's office.
- Mehaffey: "You have to decide what you're willing to sacrifice."
SEE THE WEB SERIES EVENT EVERYONE IS TALKING ABOUT
Cut to John-117
- John-117: "Can you drive a Warthog?"
- Thomas Lasky: "I..."
Cut to a Warthog speeding through a forest. Cut to title:
FORWARD UNTO DAWN