Two brainy best friends, Leonard (series star JOHNNY GALECKI) and Sheldon (series star JIM PARSONS), could tell you anything you want to know about quantum physics -- but when it comes to dealing with everyday life here on Earth, they're lost in the cosmos. Leonard and Sheldon are brilliant physicists, the kind of ""beautiful minds"" that understand how the universe works. But none of that genius helps them interact with people, especially women. All this begins to change when a free-spirited beauty named Penny (series star KALEY CUOCO) moves in next door. Sheldon, Leonard's roommate, is quite content spending his nights playing Klingon Boggle with their socially dysfunctional friends, fellow Caltech scientists Wolowitz (series star SIMON HELBERG) and Koothrappali (series star KUNAL NAYYAR). However, Leonard sees in Penny a whole new universe of possibilities ... including love.
In the series premiere, when Leonard and Sheldon meet Penny, Leonard is immediately interested in her. But Sheldon feels his friend is chasing a dream he'll never catch.
17 Eps.
Cast: Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar
Two brainy best friends, Leonard (series star JOHNNY GALECKI) and Sheldon (series star JIM PARSONS), could tell you anything you want to know about quantum physics -- but when it comes to dealing with everyday life here on Earth, they're lost in the cosmos. Leonard and Sheldon are brilliant physicists, the kind of ""beautiful minds"" that understand how the universe works. But none of that genius helps them interact with people, especially women. All this begins to change when a free-spirited beauty named Penny (series star KALEY CUOCO) moves in next door. Sheldon, Leonard's roommate, is quite content spending his nights playing Klingon Boggle with their socially dysfunctional friends, fellow Caltech scientists Wolowitz (series star SIMON HELBERG) and Koothrappali (series star KUNAL NAYYAR). However, Leonard sees in Penny a whole new universe of possibilities ... including love.
In the series premiere, when Leonard and Sheldon meet Penny, Leonard is immediately interested in her. But Sheldon feels his friend is chasing a dream he'll never catch.
17 Eps.
Ends 31 Dec 2025
Eng
Chi, Eng
4K
Cast
Johnny Galecki
Jim Parsons
Kaley Cuoco
Simon Helberg
Kunal Nayyar
New
E1
Pilot
E1
Pilot
New
When Leonard and Sheldon meet Penny, Leonard is immediately interested in her. But Sheldon feels his friend is chasing
21mins
Ends 31 Dec 2025
New
E2
The Big Bran Hypothesis
E2
The Big Bran Hypothesis
New
After Leonard tries to do a favor for Penny, Sheldon ruins the plan.
20mins
Ends 31 Dec 2025
New
E3
The Fuzzy Boots Corollary
E3
The Fuzzy Boots Corollary
New
Leonard is depressed to learn that Penny is dating someone and summons the nerve to ask a woman out on a date.
21mins
Ends 31 Dec 2025
New
E4
The Luminous Fish Effect
E4
The Luminous Fish Effect
New
After being fired from his job, Sheldon attempts to explore the "dreadful" life beyond physics.
19mins
Ends 31 Dec 2025
New
E5
The Hamburger Postulate
E5
The Hamburger Postulate
New
After sensing that his pursuit of Penny isn't going anywhere, Leonard agrees to an unexpected encounter with fellow scie
19mins
Ends 31 Dec 2025
New
E6
The Middle Earth Paradigm
E6
The Middle Earth Paradigm
New
The socially stunted guys are nervous when Penny invites them to a party she's hosting.
20mins
Ends 31 Dec 2025
New
E7
The Dumpling Paradox
E7
The Dumpling Paradox
New
In desperation, Sheldon and Leonard ask Penny to join one of their two-person Halo teams.
20mins
Ends 31 Dec 2025
New
E8
The Grasshopper Experiment
E8
The Grasshopper Experiment
New
Koothrappali's parents arrange a blind date for him. However, complications arise when his beautiful date shows more int
19mins
Ends 31 Dec 2025
New
E9
The Cooper-Hofstadter Polarization
E9
The Cooper-Hofstadter Polarization
New
Sheldon and Leonard are invited to present their joint findings at a physics conference, but Sheldon refuses.
18mins
Ends 31 Dec 2025
New
E10
The Loobenfeld Decay
E10
The Loobenfeld Decay
New
After hearing Penny sing, Leonard lies to avoid seeing her perform; Sheldon goes a step further. D.J. QUALL guest stars.
19mins
Ends 31 Dec 2025
New
E11
The Pancake Batter Anomaly
E11
The Pancake Batter Anomaly
New
When Sheldon gets sick, the boys know what's in store and avoid him; leaving an unsuspecting Penny to nurse the world's
21mins
Ends 31 Dec 2025
New
E12
The Jerusalem Duality
E12
The Jerusalem Duality
New
When Leonard and Sheldon meet a teenage physics prodigy, Sheldon is distraught that the boy genius is younger and smarte
19mins
Ends 31 Dec 2025
New
E13
The Bat Jar Conjecture
E13
The Bat Jar Conjecture
New
The guys kick Sheldon off the team for the Physics Bowl and enlist his nemesis Leslie Winkle (recurring guest star SARA
20mins
Ends 31 Dec 2025
New
E14
The Nerdvana Annihilation
E14
The Nerdvana Annihilation
New
When the guys buy a time-machine prop from a classic movie, Penny's reaction forces Leonard to take a hard look at his l
19mins
Ends 31 Dec 2025
New
E15
The Pork Chop Indeterminacy
E15
The Pork Chop Indeterminacy
New
Leonard, Wolowitz, and Koothrappali all become smitten with Sheldon's twin sister, Missy, but Sheldon declares he will d
20mins
Ends 31 Dec 2025
New
E16
The Peanut Reaction
E16
The Peanut Reaction
New
When Penny attempts to throw Leonard a wild surprise party, Sheldon gets in the way.
18mins
Ends 31 Dec 2025
New
E17
The Tangerine Factor
E17
The Tangerine Factor
New
When Penny breaks up with her boyfriend, Leonard finally gets up the courage to ask her out on a date. When she says yes
19mins
Ends 31 Dec 2025
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