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Leonard, realizing his pursuit of Penny is fruitless, has an unexpected encounter with a fellow scientist (Sara Gilbert).
Leonard, realizing his pursuit of Penny is fruitless, has an unexpected encounter with a fellow scientist (Sara Gilbert).
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The Big Bang Theory
S1, EP2 "The Big Bran Hypothesis"Leonard volunteers to sign for a package, hoping to make a good impression on Penny.
The Big Bang Theory
S1, EP3 "The Fuzzy Boots Corollary"Unhappy to learn that Penny is seeing someone, Leonard summons the courage to ask another woman on a date.
The Big Bang Theory
S1, EP4 "The Luminous Fish Effect"Getting fired gives Sheldon the opportunity to explore life beyond physics, but when he spends his time weaving ponchos and acting like a shut-in, Leonard calls Sheldon's mother for assistance.
The Big Bang Theory
S1, EP5 "The Hamburger Postulate"Leonard, realizing his pursuit of Penny is fruitless, has an unexpected encounter with a fellow scientist (Sara Gilbert).
The Big Bang Theory
S12, EP24 "The Stockholm Syndrome"Bernadette and Wolowitz leave their kids for the first time; Penny and Leonard try to keep a secret; Sheldon and Amy stick together; Koothrappali makes a new friend; the gang travels together into an uncharted future.
The Big Bang Theory
S12, EP22 "The Maternal Conclusion"Leonard is pleasantly surprised when Beverly comes to visit and she's genuinely kind to him, until he finds out the real reason she's there; Denise and Stuart overstay their welcome at the Wolowitz house.
The Big Bang Theory
S12, EP21 "The Plagiarism Schism"Kripke has proof that Dr. Pemberton plagiarized his thesis in college, and Sheldon and Amy aren't sure if they should turn him in or not; Wolowitz learns that Bernadette wasn't the only waitress at the Cheesecake Factory who had a crush on him.
