Looking back at each season’s most-watched episodes, it was clear what the audience craved the most: laughs, lovable weirdness, and a whole lot of heart. Even though The Big Bang Theory came ...

First, the couple exchanged vows in a Las Vegas elopement during the Season 9 premiere before ... #likesforkaley.” “The Big Bang Theory” ran for 12 seasons from 2007 to 2019.