Captain Jason Chambers introduces a world of underwater adventure to charter guests along the world-famous Great Barrier Reef in Australia; while first-time bosun Jamie faces some initial challenges, new chief stew Aesha clashes with an ornery chef.

Aesha and Ryan's opposing views on service are tested during an explosive lunch; Brittini stands up for herself on deck, while Benny takes issue working in the anchor locker; Captain Jason introduces a most improved award that isn't well received.

Benny struggles to stay motivated on deck, while Jamie tries to keep his team in line; Ryan and Aesha's galley communication comes to a head when the guests aren't ready for service; the crew comes together to throw a vow renewal ceremony.

The crew gets in hot water with Captain Jason; Magda struggles in the laundry; a pirate-themed party challenges Culver to earn his title of "Entertainment Officer," but when guests ask him to jump in the hot tub, Tumi is shocked by what she sees.

The crew unravels as demanding charter guests push them to their limits. Jamie and Tumi disagree over Culver's actions. In an attempt to keep Captain Jason happy, Jamie tries to take control of his deck team.

Magda surprises the guests by putting on a show. Aesha learns that being a barista isn't easy. Ryan struggles to accommodate the guests' demands. An extra tip leaves Brittini in tears.

Aesha gives Magda a second chance at service; safety issues come to a head between Captain Jason and Jamie, but when Jamie doesn't agree with the captain's orders, he tries to get the deck team on his side.

The crew hosts a prom night for the charter guests after their adventure to the Great Barrier Reef.

Magda oversteps her boundaries with Aesha; Captain Jason's colleague charters Motor Yacht Thalassa for a bachelor party; Ryan resists the guests' food requests and must face the consequences with Captain Jason.

The crew enjoys a day off on an Australian crocodile safari; captain Jason finds shocking unfinished business left on the boat; Tumi comes to Aesha's defence when Ryan and Magda talk behind her back, leaving Aesha distraught.

Jamie puts Brittini on the night shift after Benny doesn't pull his weight; Aesha confronts Magda and Ryan for talking behind her back; Jamie is at his wit's end with Benny's behaviour and wants him fired.

Jason's investigation of the deck team presents him with a difficult decision; Magda finds herself in hot water when she gets caught on the phone again; charter guests request a holiday party that calls for Culver and Aesha to dress up.

Several crew members don’t take Captain Jason’s demands seriously and find out he means business.

With Thalassa in turmoil, Captain Jason tries to find his footing with his new team.

The new crew finally finds its footing; Culver gets too close to a charter guest on a night out.

Captain Jason continues to notice Culver’s lack of initiative; Brittini calls out a double standard.

The Thalassa crew throws a vow ceremony for the guests; Culver breaks the captain’s big rule.

A new charter season gets underway in Cairns, Australia's gateway to the Great Barrier Reef; the interior and exterior departments start man-down as the crew scrambles to cater to party-hearty guests.

The charter guests continue to be on edge with each other; a new stew comes aboard, giving the interior relief while captivating the deck team; a crew member over-commits to the Cancana surprise kiss threatens to ruin the party.

A complicated love triangle threatens to make things awkward on deck. The CEO is back for another round of fun. The guests have an icy request, and when a deck crew member overlooks his duties, one of the guests gets a cutting surprise.

Heavy wind and rain threaten to drown a difficult beach picnic; a stew takes liberties with her break time; the guests experience a dinner fit for a god; on a night out, romantic entanglements get knotty when a surprising new hookup happens.

A love pentagon takes shape as crew romances heat up in multiple directions, and a personality conflict on the interior intensifies. One of the deckhands falls behind, and a dinner service for the guests goes awry when their preferences are overlooked.

Chef Tzarina struggles to rebound after a dinner gone wrong; a stew tries to convince Aesha to switch shifts, and the crew pulls off a touching memorial celebration for the guests.

The crew reels and bands together in the wake of a serious event, Capt. Jason handles not one but two difficult matters between crew members; when a person on the deck team is forced to leave the boat, the hierarchy on the exterior gets a shakeup.

The deck team gets a surprising new leader, which causes resentment to grow within the department; the interior struggles being one stew down; the chef and the chief stew get a blast from the past.

The deck team tries to recover after a mishap with the captain; a new stew joins the crew and instantly makes waves; the chef turns one of the guests into a work of art.

After a surprising hookup, the chef ices people out. A family comes aboard and enjoys a meal in a remote location. The tender nearly capsizes as the crew races to free it from a disappearing island. A mistake on deck causes the boat to hit the dock.

The deck team reels after a docking debacle; the Chief Stew gets a surprise visit on a day off; a deckhand unhappily gets friend-zoned; a forbidden relationship becomes too tempting to ignore; a disastrous mistake endangers the boat.

A deckhand's fate is up in the air after an egregious error; the 2nd Officer tries to escape a rocky romantic past; the Captain reluctantly bares all for a budgie breakfast.

Captain Jason makes an unpopular decision to fire a deckhand; a Lead Deckhand joins the boat; Margot struggles with a challenge on her first attempt at service; a charter guest experiences a medical emergency.

The crew deals with a medical emergency onboard; Capt. Jason faces a tough decision when a crew member gets caught drinking on the job; a deckhand wants to take his relationship to the next level.

A relationship onboard explores new depths while another one finally breaches the surface; chaos ensues when charter guests become entangled in each other's dietary preferences; single charter guests give the deckhands a run for their money.

The guests get upset with Aesha when their bucket list Great Barrier Reef diving excursion gets denied; a familiar character returns to coach the deck team through a strip show for the guests.

The crew erupts in an argument when a deckhand meddles in the stew's drama; a date goes awry when chef Tzarina reveals her true feelings.

Capt. Jason gets involved when chef Tzarina refuses to fulfill a guest request; Luka feels like a stew might be interested in him; the final night of the charter season leads to arguing, crying and relationships in shambles.

Capt. Jason embarks across the dazzling waters of the Seychelles with almost an entirely new crew on the larger-than-life motor yacht Katina. The enormity of the boat puts new Chief Stew Lara and her interior team to the test. Chef Tzarina and Lara are reunited after a previous working relationship and tensions quickly surface as their clashing styles ignite old frustrations. Tzarina faces an infestation of weevils in the galley while she tries to find her stride with her new sous chef, Anthony.

Chef Tzarina feels the heat as Anthony begins to chafe under her direction; a near collision while docking tests Capt. Jason's patience; Lara continues to adjust to the sprawling layout of Katina; Harry finds himself in a familiar love triangle.

Harry makes his move with Brianna, but just as sparks begin to fly, he suffers an injury; Wihan ignites tension within the ranks when he oversteps Lara's department; things heat up in the galley as Anthony contemplates leaving his position.

Anthony puts Tzarina in a bind causing her to crack under pressure; Harry's fate on Katina is determined after knowing the extent of his injury; Marina asks Wihan on a date, sparking tension between her and Tzarina.

Wihan's attention shifts to a new flame while Lara gets frustrated with his carefree attitude; an overlooked hazard causes Johnny and a charter guest to flip a jet ski in dangerously shallow waters.

After the jet ski incident, the deck team tries to make up for it by entertaining guests in the exclusive Captain's Lounge; a new yachtie arrives and stirs things up; Bri starts to question if her spark with Harry has fizzled out.

Wihan, in love, writes a heartfelt letter; Harry attempts to rekindle romance with Bri; Lara's team criticisms irritate Wihan, with silver hot pants becoming the breaking point.

The crew puts together "Fear Factor" inspired games for the charter guests; Tzarina and Lara confront Wihan after a messy beach excursion; the deck crew starts to question Wihan's leadership and Jason gets involved.

Adrenaline-junkie guests test the boundaries on Katina; Lara and Wihan's working relationship comes to a head when Capt. Jason intervenes; a disgruntled stew lets their attitude get the better of them when they get sassy with the captain.

Tensions boil over when a crew member stirs chaos among the team; their behavior tests loyalties and patience.

The aftermath of an intense evening results in a drastic crew dynamic shift; Tzarina and Lara disagree over plating, causing them to clash.

A deckhand is forced to own up to their mistake. Jason pushes Lara out of her managerial comfort zone. Tzarina struggles to find resolve with Lara. Alesia gets frustrated with Tzarina. The crew goes out and a new love connection is formed while a friendship starts to fall apart.

Harry struggles with his new responsibilities on deck; the interior tries to keep it together in housekeeping; Tzarina attempts to take control of her department; a sudden lightning storm threatens Circus Night for the guests.

Tensions arise behind the curtain of Circus Night; in the galley, a disagreement over breakfast spirals into a heated argument, forcing Capt. Jason to get involved.

Bri starts to worry about her relationship off the yacht; Alesia gets a sudden "ick" from baby talk; Marina puts her walls down, but worries feelings aren't reciprocated; Tzarina and Lara come to a stalemate with neither of them ready to apologize.

Bri and Harry try to define their relationship; the crew picks up their last charter guests who can't keep their food down during a swelly charter; during the last beach excursion, the deck team commits their biggest error of the season.

Capt. Jason reprimands the deck crew for their mistake; the final night of the charter season sparks an unlikely hook up and argument between crew members.