'Kaun Banega Crorepati 17' got a hilarious Diwali twist as Sunil Grover and Krushna Abhishek joined Amitabh Bachchan for a laughter-packed special episode. From Sunil’s ‘duplicate Big B’ act to quirky questions and the 'Maharani S4' sneak peek, the episode was a perfect blend of comedy, nostalgia and surprises.