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A Certain Scientific Accelerator

2019 ★ 7.5 1 season 12 eps TV-MA

Animation

Sci-Fi & Fantasy

After rescuing Last Order and subsequently taking a bullet to the head, Academy City’s top-ranked esper rests in the hospital. But Accelerator’s recovery is cut short when a mysterious girl carrying a photo of his little clone companion asks for help. Now they’re taking on Disciplinary Action—an anti-evil coalition whose sinister plans threaten Last Order, Academy City, and even the entire world!

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Where to watch A Certain Scientific Accelerator

A Certain Scientific Accelerator is available to stream on Nabby via 6 verified sources, aggregated from publicly available embed providers. The animation has 1 season and 12 total episodes, rated 7.5/10 by 113 viewers.

Last verified: October 16, 2026 · Source: TMDB

Episodes 12 total across 1 season

12 episodes20193 watched

Accelerator (Academy City's Mightiest Esper)✓

Jul 12, 2019★ 8.0

The day arrives for Accelerator's bandages to come off after he is shot in the head, and Last Order is eager to celebrate. A secret weapon is stolen from an atmospheric research facility, and the culprits seem to be targeting Accelerator with it.

Necromancer (Raiser of the Dead)✓

Jul 19, 2019★ 6.3

A high-school-age girl attempts suicide, but finds herself at the mercy of a fanatical group calling themselves "DA." When a young woman carrying a photo of Last Order is pursued through the hospital, Accelerator determines to find out why.

Numbers (Charms of the Four Perils)✓

Jul 26, 2019★ 6.7

Esther leads Accelerator to the warehouse where she was once held, where they encounter a more advanced "coffin" controlled by Hishigata. Accelerator tries to learn more about DA. Esther reveals more about how her necromancy works.

Third Number (The Pseudo-Soul, Huotou)✓

Aug 2, 2019★ 6.0

Accelerator takes on the two DA members in the hospital morgue, and receives assistance from an unexpected source. When DA once again messes up a mission at the hospital, plans go into motion to have them removed from the operation.

DA (Security Officer Darkness)✓

Aug 9, 2019★ 6.0

As Accelerator is sidelined while his Misaka Network electrode recharges, Antiskill leads a raid on a supplement factory being used as a front for DA. Meanwhile, the members of Scavenger carry on their mission to eliminate DA.

Scavenger (Corpse-Eating Squad)✓

Aug 16, 2019★ 6.7

Yomikawa attempts to defend Esther, Huotou, and the Sisters clone from Scavenger's attacks, and learns why they are so hostile to the city's teaching staff. Huotou fights back against Naru, with help from Esther, but will it be enough?

Download (Time Limit)✓

Aug 23, 2019★ 7.0

“Download (Time Limit)” Having failed to obtain Last Order, Hishigata instead directs his efforts toward securing the kidnapped Sisters clone to gain the memories of their 10031 deaths to complete his formula. Esther begs Accelerator to take her under his wing.

Friend (Hirumi)✓

Aug 30, 2019★ 6.3

Unable to discover the secret to reaching Level 6, Hishigata tries a new approach by recruiting Esther Rosenthal, a necromancer. Esther and Hishigata's sister, Hirumi, become fast friends, but Hirumi's secret may jeopardize that friendship.

Memory of Death (10031 Deaths)✓

Sep 6, 2019★ 6.3

As Hishigata's coffins are en route to his lab with the Sisters clone, Accelerator manages to throw a monkey wrench into their operation. Hishigata completes his formula, providing a boost to the coffins' abilities, which are turned on Accelerator.

Catastrophe (Awakening)✓

Sep 13, 2019★ 7.0

While Hishigata continues to bleed out from his stab wound, Hirumi opens her eyes and seems to be her normal self. However, as her Level-6 transformation progresses, it becomes clear that not everything about Hirumi is as it appears.

Perfect Golem (Perfect Body)✓

Sep 20, 2019★ 6.8

Hirumi's body continues its horrific transformation, assimilating the facility and growing larger. Esther is confronted with the question of what she wants to do about her situation, and whether she can step up to become a hero.

Something to Protect✓

Sep 27, 2019★ 7.5

Frequently asked

How many seasons does A Certain Scientific Accelerator have?

A Certain Scientific Accelerator has 1 season with 12 episodes in total.

Is A Certain Scientific Accelerator still on the air?

A Certain Scientific Accelerator has ended and is no longer in production.

What network airs A Certain Scientific Accelerator?

A Certain Scientific Accelerator airs on AT-X.

When did A Certain Scientific Accelerator first air?

A Certain Scientific Accelerator first aired on July 12, 2019.

Cast

Nobuhiko Okamoto

Nobuhiko Okamoto

Accelerator (voice)

Rina Hidaka

Rina Hidaka

Last Order (voice)

Yurika Kubo

Yurika Kubo

Estelle Rosenthal (voice)

Sayumi Watabe

Sayumi Watabe

Huotou

Yuhko Kaida

Yuhko Kaida

Aiho Yomikawa (voice)

Ryota Osaka

Ryota Osaka

Mikihiko Hishigata (voice)

Yumi Touma

Yumi Touma

Yoshikawa Kikyou

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