>> even when the lion gets into a tussle with his handler, charlie's not ruffled. >> hey, hey. he just wants to play. >> but the playful lion now turns to charlie. >> then it started to get up and it got up on to its hind legs. that's when i felt the claws go into my back legs. the lion's claws and then his teeth are digging into charlie's body. >> i started to feel pain, like burning pain which went in. and then he let go. i mean thankfully otherwise i'd probably be missing, you know, a good quarter of my leg. >> charlie's instinct is to run away from the lion but he remembers what the handler told him. >> the handler said before we went in, you have to try to not look scared. if you run you'll look like prey and the natural instinct will be to kill you.