🤓The characters Howard, Leonard, and Sheldon are named after real people.
🎵The theme song of The Big Bang Theory was inspired by a book called 'Big Bang' and a rap freestyle by Bare Naked Ladies lead singer Ed Robertson.
📺The show's episode titles are based on scientific theories and experiments.
💃Actress Mayim Bialik learned to play the harp for her role as Amy Farrah Fowler.
📚Penny's last name was never revealed throughout the entire series.