Great sites

Quotes

Sheldon: You have about as much chance of going out with Penny as the Hubble Telescope has of finding that at the center of each black hole there's a little man with a flashlight trying to find the circuit breaker.

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Mistakes

In episode 3-9: "The Vengeance Formulation," Sheldon's voice becomes squeaky when helium is pumped into his office. But if the room contained enough helium to make his voice squeaky just by breathing, Sheldon would actually be suffocating due to lack of oxygen. See more...

Trivia

When Leonard, Howard and Raj are contemplating who to have as the fourth member of their Physics Bowl team, Raj says, "You know who's apparently very smart is the girl who played TV's 'Blossom'. She got a Ph.d in Neuroscience or something." The girl he's referring to is actress Mayim Bialik, who plays Amy Farrah Fowler in later episodes of The Big Bang Theory. Interestingly, she is the only recurring cast member on the show that actually does have a Ph.d in real life. See more...

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The Big Bang Theory (2007) - 43 episodes with mistakes

starring Jim Parsons, Johnny Galecki, Kaley Cuoco, Kunal Nayyar, Simon Helberg (add more)

Below is a list of every episode on the site for The Big Bang Theory which has mistakes in it - if your favourite episode's not listed, that just means it's flawless! So far... "All of series 1" and similar entries are those mistakes which apply an entire series, but not across the whole show. They're also counted as episodes, so don't be surprised if the total up top doesn't reflect the actual number of episodes recorded for a show. This list is ordered by series, then episode title by default - click the options below to change the ordering.

Sort by: series / episode title / mistake count

Episode title Mistakes
Across whole show 4
Series 1
Pilot 7
The Big Bran Hypothesis 3
The Fuzzy Boots Corollary 3
The Luminous Fish Effect 4
The Hamburger Postulate 2
The Middle Earth Paradigm 2
The Dumpling Paradox 3
The Grasshopper Experiment 3
The Cooper-Hofstadter Polarization 1
The Loobenfeld Decay 5
The Pancake Batter Anomaly 2
The Jerusalem Duality 1
The Bat Jar Conjecture 2
The Nerdvana Annihilation 1
The Pork Chop Indeterminacy 2
The Peanut Reaction 3
The Tangerine Factor 4
Series 2
The Bad Fish Paradigm 3
The Codpiece Topology 2
The Barbarian Sublimation 5
The Griffin Equivalency 1
The Lizard-Spock Expansion 6
The White Asparagus Triangulation 6
The Vartabedian Conundrum 6
The Bath Item Gift Hypothesis 3
The Killer Robot Instability 3
The Financial Permeability 2
The Maternal Capacitance 1
The Cushion Saturation 1
The Work Song Nanocluster 2
The Vegas Renormalization 2
The Classified Materials Turbulence 3
The Monopolar Expedition 2
Series 3
The Creepy Candy Coating Corollary 1
The Adhesive Duck Deficiency 1
The Vengeance Formulation 2
The Maternal Congruence 2
The Einstein Approximation 1
The Precious Fragmentation 1
The Pants Alternative 1
Series 4
The Zarnecki Incursion 1
The Herb Garden Germination 1