The cast and crew of Haiwaan appeared on Amitabh Bachchan’s quiz show Kaun Banega Crorepati 18 ahead of the film’s release on September 11. Recently, the makers of the show shared unseen footage. Saif Ali Khan recalls hilarious bike ride incident with Kareena Kapoor Khan from 'Tashan' shoot days. The couple's love story blossomed on the sets of the film.