This sunday, Geoff Keighley and Justine Ezarik will be hosting a Call of Duty: Ghosts All Access event which will feature "a live, 30-minute broadcast featuring an exclusive first look at gameplay levels from the title, as well as exclusive behind the scenes footage, interviews with the Infinity Ward team, and more.".
You will be able to watch it on the wiki here, as well as on the Machinima app on Xbox 360. It will start at 11 am PDT on Sunday. A time zone converter can be seen below so you can see when the event will take place where you are: