Since KBC (Kaun Banega Crorepati) began in 2000, it has been hosted by Mr. Amitabh Bachchan for seven seasons except season 3 in 2007 when Shah Rukh Khan replaced him. The following season (called KBC 4) was hosted by the returning Amitabh Bachchan and started on 11th October, 2010,on his 68th birthday.