Gladiators

Documentary revealing the secrets and ingenious tactics of nature's toughest fighters in their battles for survival. Narrated by Sean Bean

The secrets and ingenious tactics of Australia's toughest fighters, from a kangaroo's deadly boxing moves to the redback spider's precision-engineered trap

A look at life in tropical forests, featuring a poison dart frog launching a toxic barrage and turf war between jaguars and caimans