India, Sept. 3 -- Bollywood actors Akshay Kumar and Saif Ali Khan are set to grace Amitabh Bachchan's Kaun Banega Crorepati 18 to promote their upcoming film Haiwaan. In a promo for the episode, Big B left Saif stunned when he revealed an unexpected family connection between them, explaining why the two are technically "rishtedaars".

On Wednesday, Sony TV shared a promo of the upcoming episode featuring Saif and Akshay on KBC 18. In the promo, while pointing at Saif, Big B said, "Bahut log nahi jaante, yeh humare rishte mein hain (Many people don't know this, but he is related to us)." Saif appeared shocked and asked, "Me?" Big B then explained the family connection, saying, "Raj Kapoor ji ki beti, Ritu ji ke bete Nikhil Nanda ka vivah m...