The Monitor's 'Great Fifteen' original multiversal defenders have been summoned and gathered and are now aboard the Monitor's satellite to be briefed on their dire, life-or-death mission, while far below on Earth-One, the first cracks in time and space begin to appear! It's the beginning of the end for the mainstream DC Universe, and Rios and Murdough are there to comment on the chaos! (3:06:30)