Top 10 Facts About The Big Bang Theory (TV Series)

A species of bee from Brazil was called 'Euglossa bazinga' which was changed from its previous name: 'Euglossa ignita'

Most of the cast members from 'The Big Bang Theory' have worked together before. Like Johnny Galecki starring in 'Blossom', which was Mayim Bialik, as Blossom's crush.

Kate Micucci was almost casted as Amy Farrah Fowler, but got the part of Lucy instead.

In the unaired pilot, Sheldon and Leonard find Katie, and not Penny, crying on the sidewalk, as her boyfriend dumped her.

The song that Penny sings to Sheldon isn't just something made up on the spot, it's a real song made by Edith Newlin in the 1930s

Melissa Rauch had Bernadette's voice sound like her own mother's voice.

The cast can play the instruments that their characters can play. Leonard can play the cello, while Amy can play the harp.

Sheldon and Leonard were named after Sheldon Leonard, a writer, director, and actor.

Another show, similar to The Big Bang Theory, featured characters such as Sheldon, Leo, Hovard, Raj and Natasha.

Despite playing a character who's obsessed with different franchises such as Star Wars and Star Trek, Jim Parsons has never seen an episode of Star Trek.