Sea Patrol - Season 4 (2010)

The crew of Hammersley pursue a man accused of kidnapping his children in a custody dispute. Mike and Kate start making plans for their future life, only to discover its not all plain sailing.

A series of shocking surprises await the crew when they discover a secret community living on a tropical island.

Dutchy and Charge take drastic action to catch two prison escapees on a remote island. Hammersley rescues a kidnapped pilot with a dangerous secret.

On patrol in the Arafura Sea, the Hammersley encounters an old adversary, an illegal foreign fishing vessel skippered by an infamous fisherman known as Hannibal.

The crew uncover a grisly trade when they intercept a cargo of human organs.

There is something strange about the suspected foreign fishing vessel that a crew from Hammersley boards in the Timor Sea.

While deployed to the Gulf of Carpentaria where flood waters have blocked the major highways, Hammersley hunts down cattle rustlers behind the hijacking of live cattle shipments.

When 2Dads goes missing on a scuba diving trip, Charge risks his life and career to find him. Mike creates a diplomatic incident when he searches a North Korean ship suspected of smuggling.

The HMAS Hammersley is delivering medical supplies to minor islands off the New Guinea coast. After a live grenade explosion wounds local chief Suil's son Tiken, who risks being blinded, Swain stays behind, with Dutchy as protection, to assist the only nurse, Sarah Denton, who tests his marital fidelity. On another island, Bird contracts a mysterious illness, soon leading to complete paralysis, but no medical helicopter is available. Suil's hothead local rivals use violence, forcing Dutchy to lead a perilous jungle flight.

The 'crash posting' of a Communications Technician to HMAS Hammersley proves to be a particularly nice surprise for one of her crew.

Bomber faces disciplinary action after a violent confrontation with illegal fishermen.

When Hammersley rescues a shipwrecked woman, they uncover a murderous criminal conspiracy.

The crew of the HMAS Hammersley race to save Mike's life after he has been taken prisoner by cocaine traffickers.