Skip to content
Back
Playback unavailable Playback is disabled.

Playback is currently unavailable for S1 E1 · The Electric Boy. Episode details remain available below.

Poster for Sparks of Tomorrow

Sparks of Tomorrow

7.3/10 34 votes
AnimationDramaSci-Fi & Fantasy

In an alternate past, an unlikely duo team up to look for a missing catalog that could bring electricity to the smoke-filled streets of Kyoto.

Cast:
Yuma Uchida, Sora Amamiya, Koki Uchiyama, Daisuke Ono
Language:
Japanese
Country:
Japan
Network:
TOKYO MX

Episode guide

Seasons

1 available

Season 1

Episodes

Episode 1 selected
Still from The Electric Boy E01

Episode 1

★ 7.3

The Electric Boy

2026-07-05 · 25m

Early 20th-century Kyoto. Kihachi witnesses the wonders of electricity with Seiroku. Four years later, alone and cynical, he meets a girl deep in prayer.

Current episode
Still from The Mysteries of the Catalog E02

Episode 2

★ 6.5

The Mysteries of the Catalog

2026-07-12 · 25m

In a haze of incense, Yosuke storms into Kihachi's workshop and demands the Catalog — and his fiancée. But why does Inako have it in the first place?

Watch progress · Not tracked
Still from Their Dream E03

Episode 3

★ 6.5

Their Dream

2026-07-19 · 25m

Full of denial, Yosuke clashes with Kihachi. Later, Inako's sharp senses reveal a secret and her belief inspires Kihachi to recreate an invention.

Watch progress · Not tracked
Still from The Steadfast Girl E04

Episode 4

★ 7.0

The Steadfast Girl

2026-07-26 · 24m

Inako meets a grieving shop owner whose loss echoes her own. Fully believing in Kihachi's skills, she asks him to build an electric machine to help.

Watch progress · Not tracked
Still from Proof of Love E05

Episode 5

★ 6.0

Proof of Love

2026-08-02 · 24m

Kihachi's latest experiment catches the eye of a strange university graduate, who's convinced that it can help him prove his passion to his crush.

Watch progress · Not tracked
Still from The Sound of Innovation E06

Episode 6

★ 5.0

The Sound of Innovation

2026-08-09 · 24m

Yosuke challenges Kihachi and the gang to a music battle. With only Inako having musical experience, can they master electric instruments in a week?

Watch progress · Not tracked
Still from Elopement E07

Episode 7

★ 6.0

Elopement

2026-08-16 · 24m

On the day of Inako's engagement ceremony, Kihachi urges her to chase her dreams and helps her escape. Guided by Stuart's letter, they head for Shiga.

Watch progress · Not tracked
Still from His Brother's Footsteps E08

Episode 8

★ 7.0

His Brother's Footsteps

2026-08-23 · 24m

Before Kihachi can figure out how to fix the electric key, Kengo breaks down and confesses the secret he's been carrying for the past three years.

Watch progress · Not tracked
Still from Time to Part E09

Episode 9

★ 6.5

Time to Part

2026-08-30 · 24m

Kihachi makes a shocking decision to protect Inako, but she takes matters into her own hands. Yosuke reminisces about his first meeting with Seiroku.

Watch progress · Not tracked
Still from Engagement Trouble E10

Episode 10

★ 6.3

Engagement Trouble

2026-09-06 · 24m

Yosuke makes a critical discovery. After Inako and Kihachi clear up their misunderstanding, they help Kengo reconcile with Noriko using a shocking plan.

Watch progress · Not tracked
Still from The Enticing Circuit E11

Episode 11

★ 6.0

The Enticing Circuit

2026-09-13 · 24m

After Inako and Saki sneak into Yosuke's office to find clues about the Electric Brocade, Kihachi vanishes. Inako realizes that her father holds the key.

Watch progress · Not tracked
Still from Electric Brain E12

Episode 12

★ 6.5

Electric Brain

2026-09-20 · 24m

Inako and Kihachi throw themselves into pursuing their dreams. Determined to fulfill Seiroku's vision, Yosuke ropes Kihachi into a colossal project.

Watch progress · Not tracked
Still from To the Future We Desire E13

Episode 13

★ 6.5

To the Future We Desire

2026-09-27 · 24m

As the Electric Brain goes berserk, Kihachi, Inako and Yosuke confront their destinies. Who will stay stuck in the past or look towards the future?

Watch progress · Not tracked

Cast

Yuma Uchida

Yuma Uchida

Kihachi Sakamoto (voice)

Sora Amamiya

Sora Amamiya

Inako Momokawa (voice)

Koki Uchiyama

Koki Uchiyama

Yosuke Mizoe (voice)

Daisuke Ono

Daisuke Ono

Seiroku Sakamoto (voice)

Shunsuke Takeuchi

Shunsuke Takeuchi

Kengo Kuga (voice)

Minako Kotobuki

Minako Kotobuki

Noriko Momokawa (voice)

You Taichi

You Taichi

Suzu Harashima (voice)

Natsumi Kawaida

Natsumi Kawaida

Kate Okura (voice)

Kazuki Ura

Kazuki Ura

Yajiro Yagura (voice)

Daisuke Hirakawa

Daisuke Hirakawa

Izo Masubuchi (voice)

More Like This

Drag to explore