Detour: Is Greenly Island popular with migrating great whites? Plus, search for a connection between northern bull sharks and their cooler-climate cousins. (S1, ep 5) [S]
The Social Network: A team studies how young blacktips learn social and survival skills, while another tries to catch the sand tiger shark's most elusive behaviour - mating. (S1, ep 4) [S]
Into the Darkness: Stay up late as the northern team attaches an activity tag to a bull shark, before diving 80 metres deep to put a satellite tracker on a great white. (S1, ep 3) [S]
Love Bites: Track a pregnant shark along the Great Barrier Reef, before searching for signs of mating along the southern coast that could reveal a very shy female megashark. (S1, ep 2) [S]
Food, Glorious Food: Embark on a dangerous tagging mission in South Australia, before heading north as a team chases tiger, bull and hammerhead sharks. (S1, ep 1) [S]