Cast
Unlock the killer secrets and ingenious tactics of nature's toughest fighters in four incredible ecosystems around the world. Wild gladiators, from the smallest ants to the biggest bears, do battle for the ultimate prize: survival.
Sean Bean (Acting)
23 January 2016
9 September 2006
26 February 1986
1 January 2023
6 June 1992
10 November 2014
19 November 1993
3 July 2002
1 August 2017
2 April 2008
24 January 2022
5 April 2017
25 May 2015
2 November 2023
3 April 2012
9 September 1995
5 May 2024
9 September 1978
2 September 2013
4 August 2024