Sheldon and Amy try to eliminate stress from wedding planning by applying math to the process. Also, Raj “breaks up” with Howard after realizing his best friend is actually hurting his confidence.
Chase, Adam, Bree and Leo learn that a friend has formed an evil rebellion to exact revenge, leading to a bionic battle of good versus evil.
Jack and Jerry are bummed when they can't get tickets to see their idol, Izzy Gunnar, in concert.
Aliens invade Earth, a family comes to terms with a relative's gay wedding, and a couple of racists express some surprising views.
Manfred investigates a gruesome murder in the hotel. Lem and Olivia's psychic connection drives a wedge between them. Bobo's life is put in danger by a series of strange 'accidents,' much to Fiji's concern.
