: Sheldon wears red long johns under his tuxedo at the fitting to "protect his urethra," claiming he looks like "The Flash getting ready to be wed".
: This meal is a "continuity nod" to the Season 3 episode "The Spaghetti Catalyst". [S5E23] The Launch Acceleration
"The Big Bang Theory" The Launch Acceleration (TV ... - IMDb : Sheldon wears red long johns under his
Casey Sander (Mike Rostenkowski), Robert Clotworthy (Voice of Dave Roeger) The tuxedo store where the guys get fitted for the wedding Notable Trivia - IMDb Casey Sander (Mike Rostenkowski), Robert Clotworthy
: Leonard and Penny decide to "speed things up" in their relationship. However, Leonard takes this too far by accidentally proposing to Penny during sex, which immediately kills the mood. While Penny says "no" to the proposal, she confirms they are still dating.
: The phone call Howard receives is from "Dave Roeger at NASA," named after a real-world programmer who worked with producer Bill Prady. If you'd like more details, I can look into: The specific jokes or quotes from the tuxedo fitting scene. Details on the season finale that follows this episode. Background on the real NASA/Soyuz science referenced.
In of The Big Bang Theory , three major storylines converge as Howard's trip to space and his wedding both hang in the balance. Plot Overview