The grand design of Fringe’s fantastic third season is becoming increasingly clear. The first half of the season was all about Olivia’s parallel world plight (and a showcase for Anna Torv to strut her considerable stuff); the second half of the season is about Peter’s possibly soul-corrupting doomsday machine destiny (and a showcase for Joshua Jackson to take center stage). The past couple episodes have suggested a potentially dark fate for Peter, whether or not he blows up the multiverse; his interface with the doomsday device seems to be making him go all Die! Die! Shapeshifters, DIE! and possibly downright Dark Phoenix-ish. Or Galactus-y. Or Crisis On Infinite Earths-issy. (Peter: More Monitor or more Anti-Monitor?) Actually, I’m thinking Peter’s path to the dark side will lead him here. Friday’s new episode of Fringe — “Concentrate and Ask Again” — deepens the intrigue, and we have an exclusive tease from Fox that has the cast setting the stage, articulating the stakes, and just generally geeking out on their show. Which I love. Who needs my silly comic booky theories and kooky Magic 8-ball predictions when you have Jackson, Torv, John Noble, Jasika Nicole and Blair Brown using their big brains to crunch Fringe for you! Check out the video — but read on afterward, as I have an urgent favor to ask of y’all.