Playback is currently unavailable for S1 E1 · The Electric Boy. Episode details remain available below.
Sparks of Tomorrow
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
Season 1
Episodes
E01
Episode 1
★ 7.3The Electric Boy
2026-07-05 · 25mEarly 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
E02
Episode 2
★ 6.5The Mysteries of the Catalog
2026-07-12 · 25mIn 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?
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E03
Episode 3
★ 6.5Their Dream
2026-07-19 · 25mFull of denial, Yosuke clashes with Kihachi. Later, Inako's sharp senses reveal a secret and her belief inspires Kihachi to recreate an invention.
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E04
Episode 4
★ 7.0The Steadfast Girl
2026-07-26 · 24mInako 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.
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E05
Episode 5
★ 6.0Proof of Love
2026-08-02 · 24mKihachi'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.
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E06
Episode 6
★ 5.0The Sound of Innovation
2026-08-09 · 24mYosuke challenges Kihachi and the gang to a music battle. With only Inako having musical experience, can they master electric instruments in a week?
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E07
Episode 7
★ 6.0Elopement
2026-08-16 · 24mOn 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.
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E08
Episode 8
★ 7.0His Brother's Footsteps
2026-08-23 · 24mBefore 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.
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E09
Episode 9
★ 6.5Time to Part
2026-08-30 · 24mKihachi makes a shocking decision to protect Inako, but she takes matters into her own hands. Yosuke reminisces about his first meeting with Seiroku.
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E10
Episode 10
★ 6.3Engagement Trouble
2026-09-06 · 24mYosuke makes a critical discovery. After Inako and Kihachi clear up their misunderstanding, they help Kengo reconcile with Noriko using a shocking plan.
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E11
Episode 11
★ 6.0The Enticing Circuit
2026-09-13 · 24mAfter 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.
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E12
Episode 12
★ 6.5Electric Brain
2026-09-20 · 24mInako and Kihachi throw themselves into pursuing their dreams. Determined to fulfill Seiroku's vision, Yosuke ropes Kihachi into a colossal project.
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E13
Episode 13
★ 6.5To the Future We Desire
2026-09-27 · 24mAs the Electric Brain goes berserk, Kihachi, Inako and Yosuke confront their destinies. Who will stay stuck in the past or look towards the future?
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Yuma Uchida
Kihachi Sakamoto (voice)
Sora Amamiya
Inako Momokawa (voice)
Koki Uchiyama
Yosuke Mizoe (voice)
Daisuke Ono
Seiroku Sakamoto (voice)
Shunsuke Takeuchi
Kengo Kuga (voice)
Minako Kotobuki
Noriko Momokawa (voice)
You Taichi
Suzu Harashima (voice)
Natsumi Kawaida
Kate Okura (voice)
Kazuki Ura
Yajiro Yagura (voice)
Daisuke Hirakawa
Izo Masubuchi (voice)