The following page contains spoilers for the series.
(Episode One - Right Here, Right Now)
1978
In Royal Stoke, a team of heroes fought against monsters in a forest. John Lee Wallace was a member of this team.
1988
An argument between Rhys and Shinwoo ends with Rhys leaving town.
March 3rd, 1993 Rhys is back in town and after a chance meeting with Cal at the Bubble Dive, Rhys gives Shinwoo and Cal mysterious glowing tubes. John and Mori have an encounter with piranha pirates at the MOE. Likewise Shinwoo and Cal find some piranha pirates of their own at the docks. After taking Mori to the hospital, John decides he could really go for a bubble tea.
(Episode Two - MOE Money MOE Problems)
Cal, John, and Shinwoo head to the MOE to deal with a disturbance of piranha pirates. Meeting up with Rhys, the team battles Blackbeard and saves Keith. To celebrate their victory they return to the Bubble Dive and the Dive Rangers are officially born.
(Episode Three - The 70s Taste Like Pants)
March 10th, 1993 The Diverangers are invited by Magdalene Westmoreland to stop the ghost that haunts her mansion. After a tour of the Westmorelands's collection of dubious antiquities, Shinwoo leaves the group to hunt for the ghost while he attends the party downstairs and runs into Niko Argyris. After the lights go out, the group attempts to regroup and Shinwoo transforms in front of Niko.
(Episode Four - Shinwoo Sells Guillotines)
The Diverangers encounter Vane and Bold Riley. After Cal seals Vane, the team hands the Singasteinn over to Bold Riley who destroys it as she leaves. The team leaves the Westmoreland estate and Shinwoo drives Niko home. The next morning Niko calls Rhys to discuss Shinwoo and the next operation.
(Episode Five - Field Trip)
March 17th, 1993 Rhys informs the team that they agreed to do a job and so the team now has to do a job. The day of the job arrives and the team heads to the meeting place, except for Cal. Cal was awoken by Tippy Thompson who needs his help. After investigating the mysterious people loading a truck, Cal promises Tippy a story and prepares to jump onto a truck carrying John, Shinwoo, and Rhys.
(Episode Six - Wear Your Seat-belts Kids!)
While riding atop the truck carrying Shinwoo, Rhys, and John, Cal accidentally crashes it. The team fight Calico Jack and another unnamed foe. And Cal seals Calico Jack. Sol hands over an artifact to two mysterious people.
(Episode Seven - Performance Review)
March 24th, 1993 The team is called to a meeting by Rhys. Sol Joy requests the team return their watches and drivers. After fighting with Rhys, Sam, and several others, John and Cal return their drivers. However an injured Shinwoo escapes in his Porsche and taking refuge in a minute clinic. At John and Anri's home, Cal, John, and Anri encounter Black Beard and Black Caesar and Anri transforms into a bird lady.
(Episode Eight - Pirate Accents Are Hard)
March 25th, 1993 John, Cal, and Anri talk with Black Beard and Black Caesar. Cal seals Black Beard and Black Caesar is released from his curse. Shinwoo arrives at John and Anri's home and the team and Anri head off to stop Aspidochelone. Rhys, Sam, and the Bowen team start fighting the Kraken. Shinwoo assists Rhys and Sam with the Kraken while John, Anri, and Cal head to stop Davy Jones.
(Episode Nine - Just The Beginning)
The Kraken is revealed to actually be Mullyong. As Aspidochelone awakes up, Sam, Rhys, Shinwoo, Cal, Anri, and Mullyong rush to defeat it as John fights Davy Jones atop its head. The team is able to stop both Aspidochelone and Davy Jones at the cost of Rhys's arm. As the dust settles and the reporters arrive, Shinwoo reveals his identity.
(Episode Ten - Be Right Back)
May 9th, 1988 Rhys, Sam, and Jinah test the dive watches in a mock battle. Jinah vanishes.
(Episode Eleven - Living In The Crypt)
April 8th, 1993 Nadia visited John and Anri and then the couple heads off to the Crypt Woods. Shinwoo prepares for his new role at Bowen and takes a trip to The Pit. Sam and Cal meet the student interns as well as Keats, the student advisor.
(Episode Twelve - Fair Game)
John and Anri face off against a deadly foe in the Crypt Woods. Shinwoo escapes from The Pit after a run in with a snake monster. Sam and Cal encounter a red ghost.
(Episode Thirteen - My Halloween-y Valentine's: A St. Paddy's Day Story)
October Maybe February Maybe Non-Canon Who knows??
John and Anri host Cal, Sam, Shinwoo, and their neighbor Paloma for a night of table top gaming. Snacks are eaten. And the quietest of dice are rolled.
(Episode Fourteen - Pita Friendly Idiom)
April 9th, 1993
Shinwoo flies to Royal Stoke to help John and Anri out of their situation. Sam, Lucea, and Cal investigate the mysterious red ghost.
(Episode Fifteen - Save the Cat)
John and Shinwoo confront the shadow warrior. Cal, Sam, and Lucea continue their investigation and visit Rhys.
(Episode Sixteen - Better Off NED)
John, Cal, Chad, and Lucea enjoy a fun day at the NED. Shinwoo explores the ruins of the Pit with Nadia. Sam and Keats have a flirtatious exchange.
(Episode Seventeen - Give Her A Hand)
Cal and Lucea enjoy a nice time at a beach while Shinwoo and Nadia are fighting a monster in the Pit. And Sam and Kath examine the devices brought back by John and Shinwoo. The whole team races to stop an invasion of snake monsters.
(Episode Eighteen - Teamwork Makes the Dreamwork)
May 13th, 1993
Cal goes to see Nahbila while John, Nadia, Sam, and Shinwoo have a meeting. The team is alerted to an attack by a snake monster.
(Episode Nineteen - What If It were Purple?)
Cal, Shinwoo, John, and Sam defeat the snake monster but then Sam attacks the team along with the mysterious purple diver.
(Episode Twenty - Back to the Past Part Deux)
Summer 1987
Shtick and John go on a dive and fight vampires. Just a day in the life of Shtick.
(Episode Twenty-One - Oops, We Killed Shinwoo)
May 13th, 1993
Shinwoo goes to the help desk while John has a press conference.
May 20th, 1993
John and Shinwoo have a tense conversation while Cal talks with Sam and Nahbila.