The boys try conquer their fear of sharks, but diving with great whites may only make things worse. And tragedy strikes, as lifeguards must recover the body of a young man found dead in the surf.
Reidy is haunted by the memory of a man drowning in the south corner as he rescues two swimmers in the same spot. A woman suffering from heatstroke loses her 3-year-old son. Bluebottles invade Bondi, and Jesse and Hoppo engage in a mass rescue where people are pushing each other under.
On the day of the lifeguard challenge, Max and Jesse chase an inflatable boat ride, leading to further trouble when Jesse gets a buoy rope stuck in the jetski intake. The lifeguards deal with tourists using cheap boogie boards whose arm leashes break, causing them to quickly sink in deep water.
Big wave surfer Jesse challenges Tommy and Jules. Tommy performs two rescues of intoxicated tourists. Reidy pursues a creepy guy on the beach. There are Beard Season skin checks, and a Danish backpacker bares all on Bondi Beach.
Lifeguard 'Harries' plans to propose to girlfriend Emily high above Bondi in a chopper, and needs the team to make a huge 'Marry Me' sign in the sand. But in the lead up Kerrbox throws a spanner in the works, putting blue paint in Harries' spray tan.
A bluebottle attack turns the Bondi tower into a makeshift emergency ward. A tourist is stung mid-rescue. Lifeguards share a wave with blind surfer Derek Rabelo. Mouse handles the tower with a missing boy, a man with a dislocated shoulder, and a young woman overdosing on drugs.
Tommy showcases the art of rescue in the funniest moment of the season. An unmanned boat drifts off Bondi. Troy rescues a young girl in front of the tower with her dad unaware of the dilemma. Glick takes Kerrbox, who is afraid of heights, up in a helicopter.
Despite being an overweight kid without a surfing background, Reidy has overcome harsh criticism to become a lifeguard, setting his sights on a world record. Lifeguards must rescue a girl blown kilometres out to sea on a paddle board. A BMX rider has a fractured cheek and broken nose.
When a backpacker has a violent seizure for over 15 minutes, team leader Beardy fears long-term consequences. In the water, Sam attempts a daring move during a dangerous rescue, while fellow rookie Luke swallows his pride after an embarrassing blunder.
On the predicted hottest day of summer, Bondi lifeguards brace for a huge crowd. Hoppo saves a drowning Chinese student. Evo rescues a semi-conscious woman. Newbies Matt and Noah face a test of their skills in front of their peers. To add to their stress levels, the lifeguard radio goes dead.
Heidi Klum joins Bondi's celebrity roll call. But will the lifeguards look up to scratch when they appear in her latest photo shoot? In the water, Harrison faces an impossible choice: one lifeguard, three drowning swimmers. In the lifeguard tower, a severely dislocated knee gets emergency surgery.
A crippling heatwave hits Bondi. Trainee Lachie will find out if he has made a big enough impression on Hoppo and the team to earn him a permanent spot on the Bondi lifeguard squad.
Lifeguards must rescue a surfer being smashed against cliffs in huge seas. The jetski can't get close enough, and a rescue board would be deadly. Bacon and Whippet must go in using only flippers and a rescue tube. On the beach a group of drunk Irishmen dance in tutus and frolic in the nude.
A man with a deep stab wound to his leg is unable to tell Terry and Deano just how it happened. Following a collision, a bodysurfer is brought to shore with no feeling in his arms or legs. And Yatesy looks for the parents of a three year old boy sporting an enormous mullet hair cut.
On the hottest day ever in Bondi, tempers flare in the heat and a fight erupts on the beach. A blistering Northwest wind sweeps a couple and their boogie board half a kilometre out to sea. Terry encounters a man in excruciating pain after losing his boardies.
Lifeguards face frustrating distractions involving lost gear, wayward children, ball games, and somersaults. A mother searches for her 6-year-old son last seen in the surf. The arrival of blue bottles overwhelms the lifeguard tower, and a small boy must alert them to a drowning girl.
Jesse responds to a report of a man falling from cliffs. The situation takes a tragic twist when the police chopper arrives. A thick fog makes it impossible to see swimmers in the water. Harries introduces new technology to the rescue service, but not everyone is convinced by the product.
A rough tackle brings a game of beach gridiron to a halt. A messy incident occurs on the promenade. Harrison faces karma for dismissing bluebottle victims, as he ends up paddling through a swarm himself. Humbled, he's reluctant to seek rescue and is later tasked with removing a rat from the skate bowl.
As the season concludes, lifeguards play a final prank on trainee Harrison, enlisting football star Alessandro Del Piero to break the 'no ball games' rule. Nicola faces her fear of open water when a boat sinks off Bondi. Lifeguards build unique boats for their annual wave-riding contest.
New trainee Jethro earns praise from senior lifeguards for rescuing a man more than double his size, but his fortunes reverse when he accidentally locks himself in the lifeguard tower and struggles to find a way out. Later he is faced with a woman found barely alive at the bottom of the cliffs.