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Season guide

Daphne in the Brilliant Blue: Season 1

24 episodes Premiered Jan 15, 2004 Updated Oct 1, 2026
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Season 1 Episodes

Episode Guide

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Season 1 Progress Shield

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Binge Efficiency Engine

Season 1: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

25%
75%
Mytharc (6): Crucial lore & season climaxes
Core (18): Character development & subplots
Side Quest (0): Standalone / filler
S1·E1 Mytharc

Maia's Longest Day (Part 1)

Jan 15, 2004 · 25 min

Maia gets rejected by the Ocean Agency, gets chased out of her house, can’t find a job that offers room and board, gets her wallet stolen and gets taken hostage by a bad guy and th

S1·E2 Mytharc

Maia's Longest Day (Part 2)

Jan 22, 2004 · 25 min

Maia is involved in a detainee exchange that goes bad. The housing agency confiscates all her belongs. She joins Nereids the all-around service provider.

S1·E3 Core

There's No Work as Great as Neres?

Jan 29, 2004 · 25 min

Maia and Shizuka solve the mystery of the Martin’s missing matrimony money. Trouble lies in wait for Rena in the form of a blonde woman.

S1·E5 Core

The Hooligan's Return

Feb 12, 2004 · 25 min

Maia gets introduced to a martial arts expert, Yu Park. Rena and detective Yagi get taken hostage on a cruise ship. Yu gets reinstated as a Nereids agent after serving 90 days in j

S1·E6 Core

The Great Nighttime Manhunt

Feb 19, 2004 · 25 min

Maia gets partnered with Gloria and Yu and discovers the tense relationship they have. Car thieves kidnapped Maia as Yu and Gloria chases a suspect truck.

S1·E7 Core

All That, Papa

Feb 26, 2004 · 25 min

The branch manager’s daughter discovers he has been lying to her about his role at work. The gang catches a group of poachers.

S1·E8 Core

Risk Everything For Speed!

Mar 4, 2004 · 25 min

Maia takes the wheel of a test vehicle when Shizuka’s childhood friend, Millie, is injured. Maia gets caught in some industrial espionage.

S1·E10 Core

Siberian Special Vacation

Mar 18, 2004 · 25 min

The girls go to Siberia City where slave traders kidnap Shizuka. Maia has no recollection of being in Siberia before but knows the fastest way to intercept the fleeing kidnappers.

S1·E11 Core

Like this for a Long Visit

Mar 25, 2004 · 25 min

When Maia passed a Loral Tree it sparks an odd feeling. Maia tells the girls about her past. The gang spends an extra day in Siberia looking for clues about Maia’s past.

S1·E12 Core

The Day the World Surfaced

Apr 1, 2004 · 25 min

The 100-year anniversary of the underwater cities raising to the surface is celebrated. The 100-year memorial service for the city of Elpida is also held. Maia, Tsukasa and Millie

S1·E13 Core

Giving Hatred

Apr 8, 2004 · 25 min

Wong, Chang and Lee along with their rescuer, Mai, seek revenge on Nereids for putting the three brothers in prison. Nereids confiscates the submarine Mai stole.

S1·E14 Core

The Elderly and UMA

Apr 15, 2004 · 25 min

The submarine is costing a fortune just sitting around. The crew goes out looking for work and Maia finds them a job. The job will be used as a training mission. Maia and an old ma

S1·E15 Mytharc

The Great Surge (part 1)

Apr 29, 2004 · 25 min

A grade-school boy runs away from home and Maia is sent to Siberia to find him. The branch manager in that city is holding a grudge against Rena. A mechanic is paid off to sabotage

S1·E16 Mytharc

The Great Surge (part 2)

May 6, 2004 · 25 min

Maia and the boy are caught in the plot to kill a wealthy CEO. Rena and Shizuka track down the people behind the plot. Maia must pilot and land an aircraft carrying 1000 passengers

S1·E17 Core

Defeated by a Baby

May 13, 2004 · 25 min

Yu finds an abandon baby at her door. Who would do such a thing? Gloria is against taking the child to the police.

S1·E18 Core

Conflicts Winding Down

May 20, 2004 · 25 min

Shizuka’s heart deals with an injured con artist.

S1·E19 Core

Submarine "Yomogi No. 1

May 27, 2004 · 25 min

Mai, Wong, Chang and Lee steal the Agnus, the name they gave the submarine, back. Maia gets taken hostage in an attempt to stop them. Plans for a less than lethal recovery by Nerei

S1·E20 Core

Once upon a time in Siberia

Jun 3, 2004 · 25 min

The stress of almost certain death in her rescue of the treasure hunters triggered Maia to remember an event from her past. She goes to Siberia to look for the time capsule she and

S1·E21 Core

What Happened to Maia?

Jun 10, 2004 · 25 min

Maia is distracted by the return of her memories that lend to her poor performance on a mission to return a kidnapped girl captured by slave traders. Shizuka is seriously injured a

S1·E22 Core

Everyday Life of an Eye and Recollection

Jun 17, 2004 · 25 min

A band of slave traders captures Maia. The same traders Nereids raid ruined. Millie and Tony Long, a guy that has appeared watching Maia from the shadows many time in previous epis

S1·E23 Mytharc

Escape From Kamchatka

Jun 24, 2004 · 25 min

Maia is told the reason behind her false memories. Tony tells the girls of Nereids about Maia’s capture. Shizuka, Yu and Gloria quit Nereids on account of Rena’s apparent cold-hear

S1·E24 Mytharc

Daphne In The Brilliant Blue

Jul 3, 2004 · 25 min

Kevin forwards the coordinates of Elpida to the Yomogi-1. Tony gives Mai, Wong Chang and Lee the use of an attack sub. The Ocean Agency trails the Yomogi-1 to Elpida. While the tre

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