Adam Sandler stars as Sonny Koufax, a perpetual adolescent whose girlfriend gives him the ultimatum of taking some responsibility into his life or saying goodbye to her. Magically, the child of his roommate turns up on his doorstep, and Sonny decides to take the child into his care to show the lady he is capable of being responsible. Bathroom humor, unexpected bonding, and $165,000,000 in box office receipts ensue!