Episode Titles: Acceleration
You are viewing a list of 2 The Big Bang Theory episodes featuring "Acceleration" in their title.
Season 5, Episode 23 - The Launch Acceleration
Aired May 3, 2012
Howard and Bernadette's wedding plans are put in flux when NASA first cancel Howard's mission to space, and then bring it forward. Meanwhile, Penny is thrown for a loop by a comment Leonard makes in the bedroom.
Season 8, Episode 16 - The Intimacy Acceleration
Aired February 26, 2015
After Amy mentions an experiment which aimed to see whether people could fall in love in just a few hours, Sheldon and Penny volunteer to perform the experiment themselves. Sheldon and Penny spend the evening sharing intimate details about themselves.
Meanwhile, Leonard, Amy, Raj and Emily visit an "escape room" where they are tormented by a zombie, but their intellect threatens to ruin their fun. Meanwhile, Howard and Bernadette encounter trouble as they fly back from Mrs. Wolowitz's funeral.