When a casino owning dog named Charlie is murdered by his rival Carface, he finds himself in Heaven basically by default since all dogs go to heaven. However, since he wants to get back at his killer, he cons his way back to the living with the warning that doing that damns him to Hell. Once back, he teams with his old…

故事发生在恐龙时代，一场大地震突然袭击了本来平和的土地，雷龙小脚板（加布里埃尔·达蒙 Gabriel Damon 配音）因为这场大地震不幸和家人失散了。通过苦苦的追寻，小脚板终于得知，自己要前往远在万里的恐龙乐园大林，只有在那里，他才能够和他的家人们团聚。就这样，年幼的小脚板踏上了旅途。　　一路上，小脚板结识了很多和他经历一样的小恐…

渡假胜地阿米堤海滩曾多次有人被大白鲨侵袭，警长夫人艾伦对此心有余悸。多年后，其子西恩接替警长职位，他在一次出海巡逻中神秘失踪，显然是受到了大白鲨的侵袭，在艾伦悲痛之时，神秘的航海冒险家出现在她身边，于是他们一起联手对付大白鲨。