Big Daddy is a 1999 American comedy-drama film directed by Dennis Dugan, written by Steve Franks, Tim Herlihy, and Adam Sandler from a story conceived by Franks, and produced by Sid Ganis and Jack Giarraputo. The film stars Sandler, Joey Lauren Adams, Jon Stewart, Rob Schneider, Dylan Sprouse, Cole Sprouse, and Leslie Mann, with Allen Covert and Josh Mostel in supporting roles. The plot follows a 32-year-old man who gets dumped by his girlfriend for not accepting responsibility and then tries to be responsible by adopting a five-year-old boy who appears on his doorstep.

Plot

In NYC, Sonny Koufax is a 32-year-old slacker and law school graduate who has not taken the bar exam, works one day a week as a toll booth attendant, has his food delivered by his friend Nazo, and lives off a $200,000 compensation from a minor accident. His girlfriend Vanessa threatens to break up with him unless he takes more responsibility.