Episode 1
Steve Backshall explores our changing understanding of whales, how much we have in common with them and how we can better protect them.
Episode 2
Steve encounters the largest hunters on the planet, revealing how their ingenious hunting strategies can cause trouble.
Episode 3
Steve Backshall journeys the globe with some of the greatest travellers on the planet.
Episode 4
Steve returns home to ask: if whales have survived so much, what can we all do to ensure their enduring future?
