When The Big Bang Theory first premiered there was no telling that it was going to become one of the most successful and iconic comedies in television history. While the series might not have been for everyone, for others it became a staple in their house for 12 hilarious seasons and 279 incredible episodes. Audiences watched as the lives of Leonard, Sheldon, Howard, Raj, Penny and later Amy and Bernadette evolved and grew.
From epic romances to hilarious misadventures, each episode and each season brought something new, but after all this time, how well do you remember the episode that started it all? Think back to the days when Penny had just moved in and see how well you remember the very first episode of The Big Bang Theory with this quiz!