The Recombination Hypothesis

The Recombination Hypothesis is the thirteenth episode of the fifth season of the CBS sitcom The Big Bang Theory. Coincidentally, it is also the show's 100th episode. It is set to air on January 19th, 2012.

Trivia

 * This episode marks the 100th episode for the series, which began airing on September 24, 2007.
 * This episode is also the second episode to air for the year 2012.

Reference

 * Based on fanforum.com by the user ennaxor.