JustWatch
S05 Episode 1
The Blacktip Shark Mystery
Mark Addison investigates the mysterious arrival of sixty blacktip sharks.
1 h 0 mins · Mon, 15 Apr 2013
S05 Episode 2
Killer Elephants
A look at the unusually high death rate among elephants at the Periyar Wildlife Sanctuary.
1 h 0 mins · Mon, 22 Apr 2013
S05 Episode 3
The Pig Bang Theory
A look at a series of explosive fires that have ravaged pig barns across North America.
1 h 0 mins · Mon, 29 Apr 2013