Contrary to what Walter says, lutetium is not found in meteorites but rather is used for dating them.
Trivia: The Observer is among the crowd outside the Massachusetts Metal Depository, standing across the street and using an umbrella.
Trivia: The glyph code for this episode is EARTH.
Walter: It was Belly's intellect that made the company great. All I've managed to do with its vast resources is to create a new flavor of cupcake frosting. Bacon-berry.
Peter: What exactly am I looking for here, Walter?
Walter: Anything related to gravity. I remember seeing a file on floaters in there. It would have been from a period when Belly was in search of the perfect bowel movement.
Walter: Everybody poops, dear.
Peter: What's up?
Walter: Nothing. When your mother and I were courting, we used to take long walks in the park. But I can see for your generation that a drive to a warehouse would be just as enchanting.
Nina: Walter, it was never your intellect that made you exceptional. You're brilliant, of course, but it was your imagination, your boundless creativity. Yes, you're not quite whole, Walter, but the best parts of you remain, so focus on that.
Walter: What if I fail?
Nina: You won't fail, Walter.
Walter: How can you be so sure?
Nina: Because you can't.
Olivia: So Walter, whereabouts in Boston would he be able to acquire lutetium?
Walter: It's mainly found in meteorites. Do you think the perpetrator's from outer space?
Olivia: Erm, probably not.
Music: Strange Brew (Cream)
Canada: March 11, 2011 on Citytv
Latin America: April 12, 2011 on Warner Channel
UK: May 4, 2011 on Sky1
Australia: May 4, 2011 on GO!
Sweden: July 29, 2011 on Kanal 5
Italy: October 17, 2011 on Steel
Finland: December 21, 2011 on MTV3
Poland: May 14, 2012 on TVN
Czech Republic: April 15, 2013 on FANDA