314 episodes · 2000

KBC premiered on 3 July 2000 and was hosted by Amitabh Bachchan, his first appearance on Indian television. KBC initially offered contestants the chance to win 1 Crore (ten million) Indian rupees. The declining ratings of KBC paved way for reformatting the series immediately as Junior KBC with kids as contestants which started airing from 6 May 2001. The season ended on 31 December 2001. The show was well received in its premiere season.

62 episodes · 2005

On 5 August 2005, the show was restarted after a four-year hiatus, and renamed Kaun Banega Crorepati Dwitiya or KBC 2. During this season, the top prize amount was doubled to 2 Crore (twenty million) Rupees. It was abruptly ended by STAR Plus after Amitabh Bachchan fell ill in 2006 after he shot his last episode on 13 January 2006.