Journey back in time 65 million years, when dinosaurs roamed the earth and meet Aladar, an iguanodon accidentally separated from his own species while still inside the egg.

• 故事发生于六千五百万年前恐龙统领地球的时代，禽龙阿拉达未出世已经与家族失散，幸好牠在善良的狐猴部族中孵化及长大，当中包括俏皮的辛尼及富同情心的比奥。