Trivia: The company who advertises daily trips to the Moon is called "Glatter Flug," which is German for "smooth flight." Glatter Flug is also the name of the airline in the pilot episode.
Trivia: The glyph code for this episode is AMBER.
Trivia: The Observer can be seen passing behind Olivia as she looks for Nina Sharp at Massive Dynamic.
Alternate Earth general differences:
- John F. Kennedy is alive and working with the Obama administration after resigning from his post as U.S. Ambassador.
- There is a hit musical called Dogs, rather than Cats.
- Tom Cruise is apparently a TV star (Lincoln says he was watching Cruise on TV, rather than on DVD or in a movie.)
- There is a different eagle on the mailboxes.
- There are old-fashioned penny-farthing bicycles, the kind with a big front wheel and a small back wheel.
- The Olympics has a sport of marksmanship with an assault rifle.
- There are commercial flights to the Moon on a daily basis.
- Black Panther member Eldridge Cleaver worked with Martin Luther King, Jr. and is associated with the latter's "I have a dream" speech.
Lincoln: Hey, Melissa, you know how Agent Francis can tell which end the worms living inside his body are which? Tickles them in the middle and sees which end farts.
Walternate: (about Olivia) All around us, our world is under attack. Somehow, this girl came here. Somehow, she is equipped to move through universes. We need her to help us understand this skill because if we can do it, we can win this war. And if not, soon, there'll be nothing left to protect.
Henry Higgins: What about you? You got someone?
Olivia: Sort of.
Henry Higgins: That's an odd name--"sort of."
Olivia: Thanks, Charlie.
Charlie: For what?
Olivia: For being my friend.
Charlie: Hey, Liv.
Charlie: Thank you for not shooting me.
Bolivia: You know, I haven't seen those in a while--your shoes.
Bolivia: Are you bringing them back?
Walter: Where did they go?
Changes seen to opening credit sequence: red shading and new fringe science list: wormholes, singularity, speciation, synesthesia, pandemic, transhumanism, neural networks, reanimation, telepathy, transcendence, retrocognition, biotechnology.
Injoke: The penny-farthing bicycle seen on the Other Side is a reference to the same item being used as a symbol in the British TV series The Prisoner. That series also featured several episodes where the Prisoner, Number Six, is brainwashed and reprogrammed, and where he encounters counterparts to people that he knows.
Blair Brown is credited but doesn't appear. Kirk Acevedo is credited as "Guest Appearance by."
Canada: September 23, 2010 on Citytv
UK: October 5, 2010 on Sky1
Latin America: November 2, 2010 on Warner Channel
Australia: November 10, 2010 on GO!
Germany: January 10, 2011 on ProSieben
Finland: September 7, 2011 on MTV3
Poland: January 23,2012 on TVN
Czech Republic: December 17, 2012 on FANDA
Dr. Chase: Your Jedi mind tricks won't work here.
Henry: You got my number. Jedi mind trick.
Referencing the Star Wars series and the Jedi Knights. The Jedi Knights are the "good" protectors of the galaxy, capable of tapping into the mystic Force to gain a variety of powers such as mind control and telekinesis. They avoid strong emotion, which can lead them to the Dark Side, the "evil" side of the Force. The Jedi and the Force are first mentioned in Star Wars Episode IV: A New Hope (1977). House's subsequent line about droids is from the movie when Obiwan Kenobi, a Jedi, uses the Force to distract two Stormtroopers.
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