Khatron Ke Khiladi, marketed as Fear Factor: Khatron Ke Khiladi, is an Indian Hindi-language stunt-based reality television series based on the American series Fear Factor. First launched as Fear Factor India on Sony TV, the format was sold by Endemol's domestic division after the second season to Colors TV, becoming Fear Factor: Khatron Ke Khiladi on 21 July 2008. A spin-off of the main series Khatron Ke Khiladi: Made in India was launched on 1 August 2020 where contestants from previous years participated.