Not wanting to go alone, Jack asks Liz to go on a GE corporate retreat with him. Jenna finds that method acting in preparation for her upcoming role as Janis Joplin allows Frank to take advantage of her. Kenneth helps Tracy understand how diabetes affects him.
The return of Mr. Matthews causes a mixed reaction at West Beverly Hills High. Also, the drama department holds auditions for Antony and Cleopatra, and Annie decides to read for the lead... but so does Adrianna. Meanwhile, Silver and Dixon continue to experience bumps in their relationship.
When Alan finds out that Judith is pregnant, he assumes that he is the father. Charlie is convinced he knows the reason behind Jake's bad mood.
Looking to get friendly with Barry Kripke to gain access to a piece of high-tech lab equipment, Sheldon develops a flowchart process to make friends.
Electrifying revelations stir up trouble this week as the teens of West Beverly come clean to each other. Adrianna reveals her secret to Naomi and Navid, who handle the news differently than expected. And when Dixon reveals the depths of his feelings to Silver, their relationship takes a surprising turn. ...
When a flu outbreak hits the TGS staff, Jack has to decide who will get a vaccination and who won't.
Alan finds himself attracted to his receptionist, while Charlie and Jake compete for a waitress.
Penny's criticism of Wolowitz's romantic life pushes him into depression and AWOL for a fighting robot battle the rest of guys are depending on him for.
Amid a health scare that sees him growing close to his mother's nurse, Jack helps Tracy and his wife Angie develop a "post-nup" and gets Jenna an audition to play Janis Joplin. Jenna thinks Liz is only attracted to a midget because she wants a child.
Annie overhears as Sean holds a suspicious conversation over the phone, raising uncertainty about whether he really is who he claims to be. Meanwhile, Brenda reveals a secret to Kelly, Christina makes a startling revelation to Dixon, and Adrianna receives potentially life-changing news.
