The Big Bang Theory - Episode 2.20 - The Hofstadter Isotope - Press Release

A TRIP TO THE COMIC BOOK STORE LEADS TO AN UNUSUAL ROMANCE, ON "THE BIG BANG THEORY," MONDAY, APRIL 13

"The Hofstadter Isotope" - While a fellow comic book-loving pal of the guys romances Penny, Leonard and Wolowitz venture out into the world of "Ladies' Night" at a local bar, on THE BIG BANG THEORY, Monday, April 13 (8:00-8:30 PM, ET/PT) on the CBS Television Network.

SERIES REGULARS:
Leonard................................... Johnny Galecki
Sheldon......................................... Jim Parsons
Penny.......................................... Kaley Cuoco
Wolowitz.................................. Simon Helberg
Koothrappali.............................. Kunal Nayyar

GUEST STAR:
Stuart....................................... Kevin Sussman

WRITTEN BY: David Goetsch
DIRECTED BY: Mark Cendrowski

Source: CBS