What movie, written by Adam Herz, was a box office hit that spawned three sequels and a bollywood flop?
Yeh Kya Ho Raha Hai?: Yeh Kya Ho Raha Hai is a 2002 Bollywood comedy film. Yeh Kya Ho Raha Hai?:  Its basic premise is taken from American film American Pie. American Pie (film): American Pie is a 1999 teen sex comedy film written by Adam Herz and directed by brothers Paul and Chris Weitz, in their directorial film debut. American Pie (film):  The film was a box-office hit and spawned three direct sequels: "American Pie 2" (2001), "American Wedding" (2003), and "American Reunion" (2012).
American Pie