A woman moves into an apartment across the hall from two brilliant but socially awkward physicists and shows them how little they know about life outside of the laboratory.
EPISODE 1
Pilot
Brilliant physicist roommates Leonard and Sheldon meet their new neighbor Penny, who begins by showing them that as much as they know about science, they know little about actual living.
EPISODE 2
The Big Bran Hypothesis
Leonard volunteers to sign for a package in an attempt to make a good impression on Penny, but when he enlists Sheldon for help, his attempt at chivalry goes terribly awry.
EPISODE 3
The Fuzzy Boots Corollary
Leonard asks a woman out after he finds out that Penny is seeing someone.
EPISODE 4
The Luminous Fish Effect
Getting fired forces Sheldon to explore what life has to offer outside physics, leaving Leonard to take drastic action to snap his friend out of his funk.
EPISODE 5
The Hamburger Postulate
Sensing that he's wasting his time on Penny, Leonard ends up making a connection with Leslie.
EPISODE 6
The Middle-Earth Paradigm
Penny hosts a Hallowe'en party, putting Leonard, Sheldon, Wolowitz, and Koothrappali through a new test of their social skills.
Jim Parsons
Sara Gilbert
Kaley Cuoco
Simon Helberg
Kunal Nayyar
Melissa Rauch
Mayim Bialik
Johnny Galecki
Carol Ann Susi
Mark Cendrowski
Lee Aronsohn