Season 6, Episode 4 - The Re-Entry Minimization
Aired October 18, 2012
When Howard returns from space, he is disappointed by his welcome home after Bernadette gets sick and all his friends are busy. Meanwhile, it's Girls vs. Boys when Amy and Penny take on Sheldon and Leonard on game night.
Season 7, Episode 4 - The Raiders Minimization
Aired October 10, 2013
When Amy points out a plot flaw in Raiders of the Lost Ark, one of Sheldon's favorite movies, he sets out to get his revenge by ruining something Amy likes. When Penny feels sorry for Leonard after his mother publishes an embarrassing book about his childhood, Leonard finds he can manipulate Penny's sympathy and use it to his advantage. Meanwhile, Raj and Stuart join an online dating website.