Trivia: In the beginning of the episode as the camera pans through Chinatown, there is a white poster with red writing that says "Ginseng Improves Memory." This is a reference to the next episode, "Grey Matters."
The animals Walter buys on the shop and the one force-fed to Peter are not worms, but insect larvae.
Peter's mouth doesn't match his words when he and Walter are talking alone in the car.
Trivia: The glyph code for this episode is HIDDEN.
Trivia: The Observer can be seen crossing the foreground as the Triad member opens the door after he is phoned to follow Astrid in Chinatown.
Walter: Given the high cost of transporting the creature, it must be quite a high.
Astrid: Walter, you are not smoking this thing.
Peter: So how many are there? Is it bad?
Olivia: Did you eat?
Olivia: Well, that's unfortunate.
Olivia: I didn't know you spoke Cantonese.
Peter: Get to know me a bit.
Walter: Truly, Agent Farnsworth, it never ceases to amaze me the infinite variation that Mother Nature gives us. She truly has quite a disturbing sense of humor.
Astrid: Considering your new pet, I think Mother Nature's a real bitch.
Walter: Does it occur to you that perhaps I want to be alone? That perhaps I want to live my life with a semblance of dignity and self-respect? If I want to go get a hot dog, so be it. I may go grocery shopping. I may even join a gym.
Walter: I'm going to enjoy this. Provided, of course, the beans have been properly soaked to leech toxicity.
Astrid: For the record, I wanted ice cream.
Music: Juke (Little Walter)
UK: December 6, 2009 on Sky1/Sky1 HD
Latin America: January 12, 2010 on WB
Sweden: January 28, 2010 on Kanal 5
Australia: February 17, 2010 on Go!
Germany: May 10, 2010 on ProSieben
Poland: November 4, 2010 on TVN
Finland: November 17, 2010 on MTV3
Czech Republic: January 14, 2011 on Nova Cinema
Slovakia: May 7, 2012 on Markiza
Blair Brown is credited but doesn't appear.
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