A mad scientist grandfather invents a genetic transformation machine and his 4 year old grandson accidentally turns his body into that of a 30 year old man. Baby Bobby escapes and runs around town as his siblings try to catch him before their parents get back from vacation AND before the bad guys get to him first. The machine is worth a lot of money and they only have a day before the machine loses its capabilities to change baby bobby back.《大宝贝》是斯蒂芬·朗福德于2015 年在美国 导演，由玛琳·麦考米克,安德鲁·劳伦斯,肯·戴维蒂安,基普·吉尔曼,Kim Hamilton,Jackeline Olivier,Matthew Brenher,Grant McLellan,Nina Ann Nelson,吉姆·汉纳,Janina Washington,Alana Baer,Brandon Middleton,Allan Stephan,Brian Hemenway等出演,剧中使用英语对白,是一部剧情片电影。