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When Dinosaurs Ruled the Arctic Circle

5m 52s

Pachyrhinosaurus and Edmontosaurus - undertook an epic migration every year to reach the fertile grounds of the northern latitudes in summertime. This was far from an easy task. Deadly predators lurked nearby looking to pick off weaker members of this giant herd. But evidence is starting to suggest that these two maybe have used their complementary strengths to fend off predators and communicate.

Aired: 06/14/25
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Extras
A fight breaks out amongst the mega herd of Pachyrhinosaurus gathering to migrate north
In an attempt to initiate a courtship dance, a male Lusotitan puts his best foot forward.
Discover the story of Lusotitan, one of the largest dinosaurs ever.
An injured Lusotitan lies on the beach, vulnerable to attack from the deadly Torvosaurus.
Staying close to the herd is the only chance for baby Pachyrhinosaurus to survive danger.
Travel back in time to the dangerous journey of the Pachyrhinosaurus, where survival is at stake.
A young Albertosaurus, a relative of T. Rex, earns her place in a fierce hunting pack.
Follow a gang of armored dinosaurs battle to reach adulthood, pursued by ferocious raptors
Surviving in a cave full of Albertosaurus can be a lot easier if you form a partnership.
Albertosaurus work as a group to hunt down prey much larger than they are.
Discover the story of Lusotitan, one of the largest dinosaurs ever.
Travel back in time to the dangerous journey of the Pachyrhinosaurus, where survival is at stake.
Follow a gang of armored dinosaurs battle to reach adulthood, pursued by ferocious raptors
A young Albertosaurus, a relative of T. Rex, earns her place in a fierce hunting pack.
An orphaned baby Triceratops must outwit a deadly T. Rex. Can she survive?
A Spinosaurus struggles to keep his family alive in the deadliest place in Earth’s history.