A new BBC show is allowing viewers to come face-to-face with the biggest, deadliest and weirdest dinosaurs to walk the Earth.
Planet Dinosaur pieces together some of the latest discoveries and brings them to life with stunning graphics. It features dinosaurs that are bigger, badder and more bizarre than any you've ever seen before.
The programme has even uncovered the daddy of all dinosaurs - the Spinosaurus, which at 17 metres long is said to be the biggest land predator that's ever existed.
Experts also reckon the Spinosaurus used a long crocodile-like snout to hunt out its prey. Sonali's been finding out more...