Music: Movement 1 (Allegro) of Concerto No. 1 in E major, Op. 8, RV 269, "La primavera" (Spring) from Antonio Vivaldi's The Four Seasons.
In the previous episode, it was announced that the launch was being moved up to a Friday, two days before the couple were being married on the following Sunday. In this episode the launch was on a different day (Sunday), and they decided they could get married that morning.
Howard: (shouts) Ma, you wanna move your chair over here so you can see?
Mrs. Wolowitz: (shouts) I'm fine where I am! I don't wanna fall off the roof!
Howard: (quieter) You'll fall through the roof before you fall off it.
Howard: There's fuel leaking and we're still gonna go?!
Mike Massimino: Don't lose your Froot Loops, Froot Loops.
Dimitri: This happens a lot. Nine times out of ten, no problem.
Howard: What happens on the tenth time?
Sheldon: Thank you for the invitation, but I have to decline because it doesn't sound like something I'll enjoy.
Leonard: Come on, Sheldon, it'll be fun.
Sheldon: That's what you said about the Green Lantern movie. You were 114 minutes of wrong.
Amy: No, no, no, this is not the wedding I wanted! I want to wear my maid of honor dress and walk down the aisle with a hundred eyes on me while a string quartet plays "The Way You Look Tonight"!
Bernadette: That wasn't gonna be our procession music.
Amy: Well, it was gonna be mine!
This is the second season finale where one or more characters leave town. The first one was the season two finale where all the guys go to the north pole.
International Airdates: Czech Republic: July 26, 2012 on Prima COOL; Turkey: January 29, 2013 on CNBC-e; Finland: November 27, 2013 on Sub
This episode's end titles has Chuck Lorre's Vanity Card #389, where he details some of this thought on the final scene.