The famous actor from the sitcom The Big Bang Theory, Kunal Nayyar just posted a interesting video of him catching a fan watching the show on full blast.

Kunal also shares regret for not doing action. He says he should have knocked like in the series.

The description of the video is – “Was walking back to my room after a long shoot, and a guest in the hotel was watching Big Bang on full blast! I should have knocked —- “knock knock it’s Raj, knock knock it’s Raj, knock knock it’s Raj” #serendipity”

You can find the video below: