A covert sting nets a paua poaching ring in Wellington, the maritime police are called to the rescue and a roadside checkpoint turns up a few surprises.
A fishing trawler runs aground on the Manukau Bar, M-Fish swoop on an illegal paua ring and a showdown in Northland.
A group of poachers are caught on a remote Northland beach, the Maritime Police catch some boat thieves in the act and a SOS from an injured boater.
M-Fish confront a group with thousands of illegal cockles and later play cat and mouse with an an elusive poacher.
M-Fish conduct a series of restaurant raids in Auckland. The Airforce launches a dangerous search and rescue mission in the middle of a cyclone.
M-Fish and the Navy combine to bust a poaching ring in the Chatham Islands and the Martime police respond to a mysterious sinking in the Hauraki gulf.
It's a holiday weekend and M-Fish are conducting a two-day operation aimed at cracking down on recreational overfishing.
Gisborne Fishery Officers uncover a haul of crayfish on a remote beach, and the Royal New Zealand Airforce instigates a daring at sea rescue for stricken yachties.
Fishery officers are confronted with liars, cheats and runners, while the Northland Electricity Rescue helicopter crew confront a language barrier.
An early start nets a group of illegal crayfishers, the Royal New Zealand Airforce conduct a joint operation, and Coastguard snatch a kayaker from the waves.