Assertion: big bang theory's character | /r/CapableOf | evolve after episode
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text: The first four episodes of The Big Bang Theory portray Sheldon slightly inconsistently with respect to his later characterization, in which he is depicted as rather witty and sarcastic, and slightly flirtatious towards Penny in the pilot episode, in which he and Leonard briefly compete for her attention: according to Prady, the character "began to evolve after episode five or so and became his own thing".