汤米异想天开的科学实验,成功创造出一隻活生生的恐龙宝宝,对汤米来说,牠不只是宠物,更是个超级好朋友。但学校的老师知道之后,竟强行带走了小恐龙,企图对其进行研究与实验。在牠的安全受到危害之前,汤米得与同学们尽快想办法,救出他的好伙伴才行。Nerdy middle schooler Tommy is forced take care of a baby dinosaur after his cloned science fair project hatches early. He quickly begins to think of the creature not only as a pet, but also as a friend. But when the dino escapes on the day of the fair, Tommy must figure out a way to get the creature back before greedy grown-ups get to the dinosaur first.