In this episode, we explore the southern continents, home to some of the most spectacular dinosaurs ever found. These were the undisputed heavyweights of the dinosaur world, and it's only in recent years that these iconic monsters have been revealed.

Originally released by BBC Worldwide Learning, 2011. Streaming video file encoded with permission for digital streaming by Infobase on May 22, 2019.

North Africa: Piscivorous Hunter (9:33); --North Africa: Territorial Killer (7:08); -- North Africa: Climate Change (6:53); -- Argentina: Enormous Finds (11:42); -- Argentina: Gigantic Appetites (6:41); -- Predator Prey Relationships (5:55); -- Credits: Planet Dinosaur Two Dimensions: New Giants (0:34); .