Watch S2, EP22: The Classified Materials Turbulence with Fubo for $0 Today
Penny makes a surprising revelation about Leonard while on her date with Stuart; Wolowitz finds a critical design flaw in his NASA project.
Penny makes a surprising revelation about Leonard while on her date with Stuart; Wolowitz finds a critical design flaw in his NASA project.
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The Big Bang Theory
S2, EP23 "The Monopolar Expedition"While Leonard prepares for a three-month science expedition, he and Penny re-evaluate their feelings for each other.
The Big Bang Theory
S3, EP1 "The Electric Can Opener Fluctuation"After tampering with Sheldon's Arctic-expedition data, the guys follow him back to Texas, which threatens Leonard's chances for romance with Penny.
The Big Bang Theory
S3, EP2 "The Jiminy Conjecture"Penny and Leonard try to recover from an awkward hookup; Howard and Sheldon make a high-stakes bet.
The Big Bang Theory
S7, EP6 "The Romance Resonance"Sheldon's latest scientific breakthrough leaves him feeling like a fraud; a romantic gesture between Howard and Bernadette causes Penny to up her game with Leonard.
The Big Bang Theory
S5, EP9 "The Ornithophobia Diffusion"Leonard and Penny spend time alone; Sheldon tries to face his fear of birds.
The Big Bang Theory
S5, EP8 "The Isolation Permutation"Amy is devastated when Penny and Bernadette shop for wedding dresses without her.
The Big Bang Theory
S5, EP7 "The Good Guy Fluctuation"An attractive comic book artist tests Leonard and Priya's relationship; Sheldon tries to scare his friends.
The Big Bang Theory
S5, EP6 "The Rhinitis Revelation"Sheldon finds himself competing with the gang for his mother's (Laurie Metcalf) attention when she visits.
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Mensa-fied best friends and roommates Leonard and Sheldon, physicists who work at the California Institute of Technology, may be able to tell everybody more than they want to know about quantum physics, but getting through most basic social situations, especially ones involving women, totally baffles them. How lucky, then, that babe-alicious waitress/aspiring actress Penny moves in next door. Frequently seen hanging out with Leonard and Sheldon are friends and fellow Caltech scientists Wolowitz and Koothrappali. Will worlds collide? Does Einstein theorize in the woods?
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