The epic BBC series Life is to air its third episode on Monday 26th October entitled Mammals. Scubazoo underwater camerman Roger Munns filmed the spectacle of the planet’s biggest fight, as male Humpback Whales battle for a female during the Tongan Heat Run.

Keep an eye out for Roger Munns and Jason Isley in the “behind the scenes making of” special at the end of the show. Click here to check the listings. Want to find out more about the programme click here.