10+ Facts About “The Big Bang Theory” That Only A Few People Know About

It’s hard to believe that the first episodes of The Big Bang Theory were released in the now distant year of 2007 — that was 11 years ago! Since then we’ve watched 250 episodes of this TV show which follows the lives of 4 physicists. The first episode of the last 12th season was released on September 24, 2018. The show will end in March 2019 while its spin-off Young Sheldon is gaining momentum. The second season of that show was released this year.

--When Leonard meets Penny in the pilot episode and when Penny agrees to go out with him in episode 100 named “The Recombination Hypothesis”, she wears the same shirt!

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--Jim Parsons can really play the theremin, Sheldon’s favorite musical instrument. And it’s quite surprising because this instrument which was invented in 1920 and named after the Westernized name of its Soviet inventor, Léon Theremin, is one of the most difficult to play. By the way, Johnny Galecki can play the cello, Mayim Bialik, the harp; and Simon Helberg, the piano.

--There is a theory among TBBT fans that Sheldon’s T-shirt color stood for a certain emotion of his: the red color meant anger, purple meant love and passion, green meant calmness and confidence, yellow meant fear, blue meant pity, light blue meant hope, and the orange color stood for greed.


--The words to the famous lullaby Soft Kitty were written by an Australian teacher named Edith Newlin in the 1930s. Her daughters filed a lawsuit against the various companies associated with The Big Bang Theory for violating the copyright laws. The song was used in the TV series thanks to producer Bill Prady’s daughter who heard this lullaby in her kindergarten class.

--Leonard’s glasses don’t have lenses in them. According to Johnny Galecki, since Jim Parsons was much taller than him, he had to always look up. The light from the projectors reflected off his glasses and created a glare.

--Throughout many episodes, Penny appears with the same bag. But even when it changes, it looks almost the same as the previous one — it’s also made of brown leather and has an identical shape.