Jordana Brewster (The Fast and the Furious) and Tony Hale (Arrested Development) guest-star. Chuck (Zachary Levi) runs into his ex-girlfriend Jill (guest star Jordana Brewster) while on a Nerd Herd call. In an attempt to save face, he lies to the girl who broke his heart and tells her that ...
When Judith kicks Herb out of the house, Alan hopes for reconciliation.
The gang contemplate ways in which they'd handle an unwanted encounter with a person from their past.
Sheldon, and his friends, are mystified when a younger grad student is attracted to him.
An intervention is used to try to force Sheldon to overcome his fear of driving.
Discovering Miss Pasternak, Jake's former 5th-grade teacher, turned to stripping after her fling with Charlie, he tries to help her turn her life around.
Deciding to wed in three days, Ted and Stella suddenly see their plans shattered by exes.
Alan is sure that things will turn bad when Charlie starts dating his receptionist
When Ted discovers that the gang ditched their plans to stage an intervention for his engagement to Stella, he is uncompromising, saying that they should go through with it anyway.
Full of confidence following getting a paper published, Raj hits on Penny.