From across YouTube, Twitter and Facebook, we've taken your comments during #AttenboroughWeek and made this video as a thank you to everyone who got involved. Click on the annotations to see each of the clips in full.
Steve is back for a second series of tracking down the most deadly animal killers on the planet. Steve's new adventure takes him from the bitter cold of the frozen tundra of the Arctic to the steaming jungles of South America, as he embarks on his deadly mission.
See the Deadliest moments from series 2 - more great moments being added weekly.
Planet Dinosaur uses unique hi-tech graphics to bring to life the most awesome and amazing creatures that ever lived. All were discovered in the last 10 years or so and entailed a rewriting of the prehistory books. Paleontologists now know that dinosaurs spread to every part of the globe, and evolved in ways so monstrous, horrific and bizarre they make T Rex look very tame indeed.