Check out BBC Earth on BBC online - http://www.bbc.com/earth/world Spinosaurus comes across Carcharodontosaurus feeding on a carcass. A dangerous fight is inevitable. Spinosaurus has size and strength on his side, but Carcharodontosaurus has the more lethal bite. Planet Dinosaur tells the stories of the biggest, deadliest and weirdest creatures ever to walk the Earth, using the latest fossil evidence and immersive computer graphics. Narrated by John Hurt. Subscribe to BBC Earth: http://bit.ly/ydxvrP Visit http://www.bbcearth.com for all the latest animal news and wildlife videos BBC Earth Facebook http://www.facebook.com/bbcearth (ex-UK only) BBC Earth Twitter http://www.twitter.com/bbcearth BBC Earth YouTube Channel: http://www.youtube.com/BBCEarth Latest BBC Earth videos: http://bit.ly/y1wtbi