After dispatching those guys, Mark calls Wedeck to tell him about the pending blackouts, since he knows Wedeck Knows People, then hangs out in the office. Because ... he enjoys being shot at? No, it's so he can call Olivia and tell her to listen up: There will be another flashforward in two minutes, so try not to pass out over any open flames, etc. Also, he loves both Charlie and Olivia. "Please be safe," Olivia uselessly says.
We get the montage of the governments of the world making the announcement that we're all about to go through this nonsense again. I feel really bad for the folks in central and eastern Europe, because this is going to really bung up their morning commutes. Inside NLAP, Simon tells Demetri, "You might want to put that ring on." Demetri says, "I missed my future last time." He decides he wants to see what happens. Simon also declines the QED, saying with heroic bravado, "I've seen my future happen. This is it, right now."
The last surviving ninja-mime is about to lose that designation, as Mark has snuck up on him, cocked his rifle, and asked pissily, "What did you see?" Then Mark sees that he has 39 seconds before the building goes.
Simon and Demtri sit down together and watch the accelerator do its thing, Mark runs toward his office window, where there's a helicopter hovering (one hopes it's piloted by people wearing QEDs) --
Then the global flashforward hits.
We see: a little anglo-looking baby, then a little African-American one being baptized; a boy on a swing, swooping up toward sun-dappled tree branches; a "Happy New Year 2015" sign; a boy in red plaid pajamas opening up a present; a doctor looking at a radiograph film; someone signing something reading "As executor of this will ..."; a pair of gloved hands loading a pistol.
In the present, we see that Janis is passed out in a wheelchair in the hall of the hospital. Wearing a set of scrubs and a QED, along comes the seductive Lita. She wheels Janis off to her uncertain fate. (Another Unanswered Question, that.) A kangaroo goes hopping past the FBI building and we get another flashforward sequence.