The lifeguards are devastated when one of their own is severely injured in a surfing accident. While Kobi recovers, the rest of the boys continue their training for the annual Iron Man Challenge.

Santa comes to Bondi and he's brought the South Pole with him. It is the wettest Christmas day in seventy two years. Meanwhile, a seizure on the sand turns pear-shaped.

It's New Year's Day and in the afternoon the crowd peaks at over 40,000 people keen to wash away the hangover, but then every swimmer's greatest fear - a shark is spotted.

It's the hottest day ever on Bondi as the temperature soars to 45.8 degrees.

Tempers flare in the heat and a fight erupts.

Harry loses his cool with three swimmers that he's forced to rescue just seconds after warning them not to swim in a dangerous area. However, calling them "imbeciles" and "idiots" puts him in hot water.

A drunk woman goes missing in the water so the boys bring the chopper to help find her. Terry has the most critical rescue of the season, which brings back some emotional memories.

Jessie meets his match when he tries to rescue a vicious rat from the skate bowl, and the lifeguards play detective after a punch-up in the surf.

Huge waves come to Bondi and Bisho is forced to perform a cliff-face rescue using just flippers and a rescue tube. New trainee lands himself in the boss’s office for rookie errors.

Hoppo, Deano, Maxi, Jesse and Kerrbox travel to South Australia to cage dive with sharks. Meanwhile, in Bronte the lifeguards must recover the body of a young man found dead in the surf.

Chappo is conflicted when he catches a young bag snatcher; Whippet and Reidy treat a woman found face down and unconscious in the water; a skateboarder dislocates his ankle in the skate bowl.

Chappo and H-man cautiously prepare a 19 year old German tourist for hospital after he's broken his back. Meanwhile, trainees, Taco and Jesse, have a difficult day in class struggling with the books.

In the season finale, a drunk woman has to be removed from the beach by police after harassing beachgoers; Harries has the trickiest task when a woman wanders the beach naked.