The Loobenfeld Decaythe Big Bang Theory : Seaso... [ RECENT · Review ]

Check out more episode details on the Big Bang Theory Wiki or see fan reviews on IMDb .

This episode marks the very first time we see Sheldon's iconic "knock, knock, knock, [Name]" habit—though in this early version, it’s actually four knocks.

After hearing Penny’s "cringe-inducing" singing, Leonard lies about attending a symposium on molecular positronium to avoid watching her perform in Rent . Sheldon, unable to live with the "holes" in Leonard's story, decides to backstop the lie with an "un-unravelable web". Highlights & Trivia The Loobenfeld DecayThe Big Bang Theory : Seaso...

Sheldon invents a drug-addicted cousin, Leopold Houston, complete with a Facebook page and an e-harmony profile.

To make the lie concrete, Sheldon hires Toby (played by guest star DJ Qualls), a research assistant with a double major in physics and theater. Check out more episode details on the Big

Despite Sheldon’s elaborate attempts to protect Leonard's social standing, the episode ends with Leonard forced to watch a video recording of Penny’s performance anyway, while "Cousin Leo" ends up cozying up to Penny on the sofa.

Before the chaos starts, Leonard and Sheldon have a classic argument about why an artificial intelligence like Skynet would bother making "petite, hot, 17-year-old killer robots". Sheldon, unable to live with the "holes" in

Sheldon "over-correction" from the early seasons? The Loobenfeld Decay - The Big Bang Theory Wiki | Fandom