Big Bang Theory S01 !!exclusive!! < EXTENDED >

Highlights Sheldon's obsessive nature when he sneaks into Penny's apartment to clean it.

Features a physics bowl competition and includes a meta-reference to actress Mayim Bialik , who would eventually join the cast in later seasons. Production and Development big bang theory s01

Leonard becomes instantly infatuated with Penny, while Sheldon remains skeptical of her presence. Highlights Sheldon's obsessive nature when he sneaks into

( Simon Helberg ): An aerospace engineer and "mama's boy" who mistakenly views himself as a smooth ladies' man. big bang theory s01