Scientists are forever on a quest to unlock the mysteries of the biggest beasts ever to have lived on our planet, including the deadly T-Rex. In Lost Beasts Unearthed, new evidence reveals how these giants evolved to conquer the planet, how they grew so big, how they hunted, what they ate, how they fought and what triggered their extinction. Tune in to Lost Beasts Unearthed from Sunday 17th March at 6pm, on National Geographic UK. | National Geographic UK

Meet Lobo from Super Monsters. He's a three-year-old monster with super speed. See what he and the other monsters are all about with FREE episodes on the Discovery Family GO app! Now streaming 📱➡️ http://bit.ly/dfcGOsmart | Discovery Family Channel