The Big Bang Theory2007 | TV Show

Cast & Crew  |  Episode Guide

Two nerdy physicists share an apartment and an unlikely friendship with their beautiful neighbor with whom one of them is infatuated. Like the universe after the big bang, the show's popularity expanded, thanks to breakout star Jim Parsons, along with the (more…)

Premiered: September 24, 2007

Rating: TV-PG

User Rating: (8,996 ratings)

Your Rating:

Season 6, Episode 18 The Contractual Obligation Implementation

First Aired: March 7, 2013

Sheldon, Leonard and Howard promote careers in science before a group of junior-high girls, while Raj readies for a date with Lucy.

Watch Now
Watch Soon
Jan 31

Previous Episode

The Monster Isolation

Season 6, Episode 17

February 21, 2013

Next Episode

The Closet Reconfiguration

Season 6, Episode 19

March 14, 2013

Trending TonightSee all »