Shark Week's most exciting missions has been the search for the largest makos. The team revisit the most exciting events and discoveries from Monster Mako and Return of the Monster Mako all leading up to new footage of rear mako behavior.

Two great white shark males, believed to be brothers, are at the heart of a mystery. Could these animals recognize, and prefer the company of, a blood relative? A team ventures to the famed Isle of Jaws off the West Australian coast and finds the answers.