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Season guide

Myriad Colors Phantom World: Season 1

13 episodes Premiered Jan 7, 2016 Updated Jul 20, 2026
Season 1 Episodes

Episode Guide

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Season 1: Filler vs. Essential Canon

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

23%
77%
Mytharc (3): Crucial lore & season climaxes
Core (10): Character development & subplots
Side Quest (0): Standalone / filler
S1·E1 Mytharc

Age of Phantoms

Jan 7, 2016 · 24 min

Clumsy Haruhiko and violent Mai need more people on their Phantom-fighting team. They meet a Phantom Eater, Reina.

S1·E2 Core

Take Out the Annoying UFO!

Jan 14, 2016 · 24 min

The team sets out to deal with security robots turned Phantom. But it turns out that Minase Koito was already there, fighting the haywire robots with her beautiful voice.

S1·E3 Core

Operation Copy-Paste Memories

Jan 21, 2016 · 24 min

A pair of Phantoms terrify people as they try to cross a bridge. The team goes to investigate, and Mai begins to remember something odd about the place.

S1·E4 Core

Fake Family

Jan 28, 2016 · 24 min

After a huge victory feast with the team, Reina vanishes on a mysterious bus, hypnotized.

S1·E5 Core

I Can't Use My Special Abilities

Feb 4, 2016 · 24 min

A vicious Phantom attacks the rabbit hutch at school. Koito is tasked with hunting it down, but she hurts her throat, shutting down her abilities.

S1·E6 Core

Kurumi and the Teddy Bear Kingdom

Feb 11, 2016 · 24 min

Kumamakura Kurumi sucks Haruhiko and the gang into a fantasy world inside her own mind, filled with talking bears and giant mushrooms.

S1·E7 Core

Schrödinger's Cat Mansion

Feb 18, 2016 · 24 min

The team investigates the spontaneous cat-ification of the school's students.

S1·E9 Core

The Strange Tale of the Bakumatsu Phantom

Mar 3, 2016 · 24 min

The team gets recruited to perform in a play about a Phantom in medieval Japan. As they're rehearsing, Koito notices the presence of a real Phantom nearby.

S1·E10 Core

Little Ruru's Big Dream

Mar 10, 2016 · 24 min

A witch Phantom grants Ruru's wish to become human. She gets her wish, but...

S1·E11 Core

Tiny Haruhiko-kun

Mar 17, 2016 · 24 min

Haruhiko returns to his childhood -- literally -- and he doesn't remember ever being any older.

S1·E12 Mytharc

The Mother Hath Returned

Mar 24, 2016 · 24 min

Reports abound of a Phantom attacking students and taking their special abilities. Meanwhile, Haruhiko is reunited with his mother.