India, Aug. 8 -- Amitabh Bachchan is back as the host of Kaun Banega Crorepati Season 18, and this time, he has promised to make the game tougher. After teasing the new season with "Is baar sochna padega", the makers have now dropped a promo featuring Aamir Khan and Sunny Deol as the first guests. Aamir is curious to know what exactly contestants will have to think about this season, prompting a witty response from Big B.

The promo shows Aamir asking Big B, "Aapne kaha hai aapne promo mein, sochna padega, btaa dijiye sir kya sochna padega? (You said in the promo, 'Sochna padega.' Sir, please tell us, what will we have to think about?)" The host replies, "Aisa hai sir mujhe dekhne se aapko koi fayda nahi hoga (Looking at me won't benefit ...