The gang introduces Penny to Star Wars Day on May 4th.
Added:
Sheldon and Penny go out for dinner together on "The Anything Can Happen Recurrence."
Added:
Sheldon talks to Leonard wearing a robe in their kitchen.
Added:
Is Sheldon sleeping with the Geology book? Nice robe!
Added:
Sheldon has a Geology book. Why would he have that?
Added:
Howard shows Leonard a drawing of ... something. What is that supposed to be?
Added:
Barry Kripke annoys Sheldon and Howard during their lunch break.
Added:
Howard arrive for his double date with his wife, Raj and Emily.
Added:

TBBT Quotes

You can't ruin a friendship with sex that's like trying to ruin ice cream with chocolate sprinkles.

Raj

Sheldon: Even the dung beetle chooses to plot its course by using the Milky Way.
Raj: Is that true?
Sheldon: Everything I say is true. Now, of course, the dung beetle also enjoys eating fece, living in feces and making little balls out of feces. So, pick and choose which aspects of its lifestyle you want to embrace.