Alternate Earth general differences:
- Emergency number is 711
Trivia: The license plate on Bissell's car is APT6B. This is a clue toward the next episode, "6B."
Trivia: The Observer is at the airshop docking station, partially concealed by a pylon, just before Frank arrives to meet Bolivia.
Trivia: The glyph code for this episode is ROMAD.
Bolivia: Ugh, you know how I feel about bugs.
Lincoln: Not Charlie. Charlie loves bugs.
Charlie: Look lively, people. New boss is here.
Lincoln: How is it that when you say "boss," it sounds like insubordination?
Charlie: You see, that's my tone. Maybe that's why I didn't get the promotion.
Lincoln: Yeah, maybe, or else I'm better than you.
Mona: I'm Foster... Mona Foster.
Charlie: We, uh--we--we met before?
Mona: I treated you for your arachnid infestation. I'm not surprised you don't remember me. You were in a lot of pain.So how are the spiders?
Charlie: Uh, they're good. They--they--sometimes they just itch a little bit.
Mona: Maybe you just need somebody to scratch it.
Bolivia: Bug girl's got a crush on Charlie.
Charlie: Bug girl has a crush on the fact that I got spiders in my blood, kiddo.
Bolivia: Come on, everybody's looking for someone that's gonna like them for who they are inside, right?
Injoke: The Skelter Beetles, and their Latin name, Mansohnium Boogliosus, is a joke on Charles Manson and prosecutor Vincent Bugliosi. "Skelter" refers to Helter Skelter, the book that Bugliosi wrote chronicling Manson's trial, and Manson liked the music of The Beatles.
Joshua Jackson, Lance Reddick, and Blair Brown are credited but don't appear.
Kirk Acevedo is credited as Guest Appearance By.
Canada: February 11, 2011 on Citytv
Australia: February 23, 2011 on GO!
Latin America: March 22, 2011 on Warner Channel
UK: April 13, 2011 on Sky1
Sweden: July 8, 2011 on Kanal 5
Finland: November 30, 2011 on MTV3
Poland: April 23, 2012 on TVN
Czech Republic: March 25, 2013 on FANDA