该电影由斯蒂芬·朗福德执导，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等主演，于2015年上映。在83分钟的叙事中，《大宝贝》（又名：大婴儿、怪祖父的大宝贝）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.