India, Sept. 20 -- The 18th episode of Kaun Banega Crorepati proved to be a hilarious episode when comedian guests Gaurav Gupta, Gaurav Kapoor and Varun Grover joined Amitabh Bachchan. The three made fun of each other and joked around with the host during the episode that was broadcast on 18 Sept. They went to the Super Sandook round after clearing the Rs 5 lakh question, where the players were given 90 seconds to answer 10 questions. They were able to go through all the 10 questions and won Rs 1 lakh. However, they chose the 50:50 lifeline and thus didn't take the cash prize. Amitabh had assured the guests that he would invite them for dinner in case they managed to do well in that round.

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