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One Big Bang Star Left Single in Finale
22 Aug
Summary
- Raj was the only main character not in a relationship by the finale.
- Fans watched characters evolve from singles to married.
- Kunal Nayyar played the role of Raj Koothrappali.

The popular CBS series "The Big Bang Theory," which aired from 2007 to 2019, featured significant character development regarding romantic relationships for its main cast. Throughout its 12 seasons, viewers witnessed the evolution of characters from awkward singles into committed partners.
Leonard Hofstadter fell in love with Penny, and Howard Wolowitz found his match in Bernadette Rostenkowski-Wolowitz. Sheldon Cooper also discovered his significant other. These relationships led to marriages and the establishment of families for several characters.
Despite the romantic journeys of his friends, Raj Koothrappali, played by Kunal Nayyar, was the only principal character who did not end up in a long-term relationship by the series finale. His last romantic entanglement with Anu concluded in the penultimate episode, leaving him single as the show concluded.