S7E3: Road to Germany
That's when he went back in time Oh, my God, Stewie, we have to get him back.
When did the machine send him? I don't know.
How can you not know? It's a time machine.
Doesn't it have, like, a display that tells you the year or something?
Oh, I'm sorry, Brian, is my time machine not as good as your time machine?
Oh, yeah. Oh, no, you've probably got a way better time machine. Yeah.