Access to this video is a benefit for members through PBS Passport.
Up Next
Back to Show
Watch Preview
Walking with Dinosaurs
The Pack
Season 2025
Episode 4
71 million years ago, a young Albertosaurus, a relative of T. Rex, must prove herself in a deadly hunting pack or face starvation. Today, paleontologists in Canada uncover her remains, using their evidence to reveal her battle for survival.