![285_TriassicPart1 a rock wall with a silhouette of a person in front. a roaring t rex skull and the words Part 1 Triassic Period on it](/subjects/nnlandmarks/images/285_TriassicPart1.jpg?maxwidth=650&autorotate=false)
Part 1: Triassic Period
This video is the first in a series about the dinosaur story. Learn about the Triassic Period, a time 252-201 millions years ago that saw the rise of the first dinosaurs.
![285_Jurassic Final Cut_Moment a rock wall with a silhouette of a person in front. a roaring t rex skull and the words Part 2 Jurassic Period on it](/subjects/nnlandmarks/images/285_Jurassic-Final-Cut_Moment.jpg?maxwidth=650&autorotate=false)
Part 2: Jurassic Period
This video is the second in a series about the dinosaur story. Learn about the Jurassic Period, a time when dinosaurs dominated the land and the earliest known birds took to the skies.![285_Cretaceous Thumbnail a rock wall with a silhouette of a person in front. a roaring t rex skull and the words Part 3 Cretaceous Period on it](/subjects/nnlandmarks/images/285_Cretaceous-Thumbnail.jpg?maxwidth=650&autorotate=false)
Part 3: Cretaceous Period
This video is the last in a series about the dinosaur story. Learn about the Cretaceous Period. By the end of this period, 66 million years ago dinosaurs will be extinct.Last updated: October 17, 2019