THE BIG BANG THEORY “The Griffin Equivalency” (Season 2 Episode 4) October 11, 2008 News, The Big Bang Theory Here is a sneak peek of THE BIG BANG THEORY‘s Season 2 Episode 4, “The Griffin Equivalency” airing this Sunday October 13, 2008. Read all our The Big Bang Theory coverage here. Episode Synopsis: “The Griffin Equivalency” – “The Griffin Equivalency” – Raj, newly famous because of an article in a magazine, gets a big head and makes a disastrous play for Leonard’s crush, Penny, on THE BIG BANG THEORY, Monday, Oct. 13 (8:00-8:30 PM, ET/PT) on the CBS Television Network. Amazon.com Widgets Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Google+ (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Pocket (Opens in new window)