The Doomsday Machine is not seen here. But it's the subject of everyone's gaze.
Olivia and Broyles look on in this Fringe scene. It's taken from the episode "Reciprocity."

Fringe Season 3 Episode 11 Quotes

Walter: It's song lyric. Fauxlivia ruined U2 for all of us.
Nina: Fauxlivia?
Peter: That's what Walter's calling her now. Fauxlivia; as in fake Olivia.
Nina: Aah.

Walter: You have any chewing guy?
Guard: Excuse me?
Peter: I'm sorry, he has this thing with he ears.
Walter: It's not a thing with my ears. It's a blocked Eustachian tube, and it's a perfectly natural reaction. Any flavor will do, although I'm rather partial to grape.