Trivia: As Olivia stands outside Carl's house, a "Red Balloon Lager" label can be seen on a beer keg. This is a clue toward the next episode, "Bad Dreams."
The second time Walter is giving Charlie the ultrasound, you can clearly see him moving the sensor around quite a bit on Charlie's stomach, but on the screen everything is stationary, with the exception of the larva.
Trivia: The glyph code for the episode is "Peter."
Trivia: The Observer can be seen on Charlie's TV during the news broadcast, walking behind the reporter.
Astrid: Okay, well, we know what it's made of. We know that it moves through the sewers. So, can't we, I don't know, like, bait it or something? Peter: Just so I'm clear--are you actually suggesting that we go down into the sewers and wait for this thing to eat us? Astrid: Well, no... Walter: Yes!
Olivia: Walter, have you got any idea what kind of animal would be in a lab that could do this? Walter: Well, judging by the wounds, I'd say two or three different ones, actually. Peter: Right, a motley crew of lab animals got together and decided to exact their revenge on mankind.
Walter: If my theory is correct and the bat traits are dominant in the creature, then yes, I believe we can successfully lure it. Whether we can survive the encounter is the more intriguing question.
Walter: Check in on Agent Francis. Let's look in on our little friends. Astrid: It didn't work. Walter: Ever the pessimist. (pauses) Look. Olivia: They're dying. Charlie: What happens now? Walter: Now you crap 'em out.
Walter: The spread of the digits, V-shaped. It's too wide for one of those creatures. Configuration closer to that of an eagle. Of course much, much larger. Peter: Hey, we're looking for Big Bird. Walter: Don't be ridiculous. Perhaps a pterodactyl.
Peter: It's an omelet. Walter: It's not an omelet! Peter: Oh, my...ugh! Walter, why is there an ear in the omelet? Walter: It was an experiment. It was a protein-rich incubator. It was growing. Peter: It was growing? That's perfect. Walter: No, it's not perfect. You just ruined it.
Broyles: Whatever did this doesn't appear to be indigenous to the area. Charlie: Well, wherever it is indigenous to, I don't want to live there.
Walter: How interesting. Peter: Some would say disgusting.
Walter: This is quite delicious. Peter: Where did you get that? Walter: In the car, uneaten. Peter: What is the matter with you? Walter: Oh, forgive my son. He's been in a mood all day. Peter: I just figured "don't eat the evidence" goes without saying.
Astrid: So this thing has the claws of a lion and the fangs of a snake? Walter: It reminds me of a woman I once knew in Cleveland. Peter: Walter, these punctures are over four inches apart. And that would make this snake eight-feet long. Walter: Her name was Harriet something. Olivia: How is everything? Peter: Well, apparently you're looking for a lion-snake named Harriet.
Peter: Are you okay? Did you take something? Walter: Psychedelics? No, not since Thursday, no.
Olivia: Walter, I need you to tell me what exactly you would need to create a genetic hybrid. Like, specific items, so I can see if Robert Swift bought any of it. Walter: I would need some sodium bicarbonate and a house in he country, a place to be alone in my thoughts. Some Mahler for the late nights. And time. A lot of time. Peter: I know. It's like he's on another planet.
Olivia: You mean that these are baby monsters? Walter: Yes. We must collect them. Peter, a petri dish. (the larvae grow larger) Make it a bucket. Astrid: I'm gonna be sick. Walter: Two buckets!
Walter: Could you carry these, son? Peter: Sure thing. Walter: Be careful. We must be very gentle with them. Peter: Right, 'cause we wouldn't want to hurt the monster babies.
Peter: Hey, Walter. Think we can wait down here to be mauled in silence, please?
Walter: I need to tinkle. Could either of you direct me to the facilities? Peter: The facilities? You're in the sewer, Walter. You're knee-deep in the facilities.
Peter: Are you okay? Walter: Yes. Although when I mentioned that the poison would kill me within the hour, did either of you happen to notice the time?
Music: No You Girls (Franz Ferdinand), Trashcan (Delta Spirit), Escape (The Pina Colada Song) (Rupert Holmes; sung by Joshua Jackson)
Original International Air Dates: United Kingdom: April 26, 2009 on Sky1/Sky1 HD Norway: May 10, 2009 on TVN Finland: May 18, 2009 on MTV3 Germany: July 13, 2009 on Pro 7 Sweden: July 16, 2009 on Kanal 5 Belgium: July 23, 2009 on RTBF2 France: August 5, 2009 on TF1 Poland: January 7, 2010 on TVN Slovakia: January 31, 2010 on Markiza Czech Republic: April 2, 2010 on Nova Cinema
Kiersten Warren, who plays Charlie's wife Sonia in this episode, is the real-life wife of Kirk Acevedo, who plays Charlie.
Blair Brown is credited but doesn't appear.
S 4 : Ep 22
Aired 5/11/12
S 4 : Ep 21
Aired 5/4/12
S 4 : Ep 20
Aired 4/27/12
S 4 : Ep 19
Aired 4/20/12
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