Thunder 3

• Name — Thunder 3 • Ja Kanji — サンダー3 • Ja Romaji — Sandā Surī • Genre — * Isekai • Mystery • Science fantasy

• Type — manga • Author — Yuki Ikeda • Publisher — Kodansha • Imprint — Monthly Shōnen Magazine Comics • Magazine — Monthly Shōnen Magazine • First — May 6, 2022 • Last — June 5, 2026 • Volumes — 10

• Type — tv series • Director — * Hiroyuki Seshita (chief) • Keisuke Ide • Writer — Hiroshi Seko • Music — * Frédéric Chateau • Akiyuki Tateyama • Studio — Unend • Licensee — Netflix (streaming rights) • Network — * Fuji TV (+Ultra) • Kansai TV, Animax, THK, BS Fuji, uhb, TNC, FTV • First — July 9, 2026 • Episodes — 10

• Portal — yes Thunder 3 is a Japanese manga series written and illustrated by Yuki Ikeda. It was serialized in Kodansha's manga magazine Monthly Shōnen Magazine from May 2022 to June 2026. An anime television series adaptation produced by Unend premiered in July 2026.

The "Small Three"—ordinary middle school students Pyontaro Tezuka, Hiroshi Ochanomizu, and Tsubame Azuma—accidentally discover a parallel world after playing a mysterious disc borrowed from their teacher, Dr. Doc. When a lifelike dragonfly emerges from their television screen, Pyontaro's younger sister, Futaba, and their pet dog chase after it, only to be pulled into the parallel world and captured by its alien inhabitants. The story follows the Small Three as they join forces with the humans of the parallel world to rescue Futaba and confront the extraterrestrial threats.

• Pyontaro Tezuka: • Hiroshi Ochanomizu: • Tsubame Azuma: • Futaba Tezuka: • Doku: • Teiichi Segami • Taito Ban: • Suzuka Tashiro • Yuuki Hirose: • Mio Kisaragi • Ryōko Maekawa: • Kyōji Sumeragi • Haruki Ishiya: • Yutaka Yamamoto • Yuki Onodera (voice actor): • Sameyama • Yuuki Shin: • Shidonī • Miho Wataya:

Written and illustrated by Yuki Ikeda, Thunder 3 was serialized in Kodansha's manga magazine Monthly Shōnen Magazine from May 6, 2022, to June 5, 2026. Kodansha has collected its chapters into ten tankōbon volumes, released from October 17, 2022, to August 17, 2026. In March 2024, Kodansha USA announced that they had licensed the manga for print release, with the first volume published on November 5 of that same year.

In February 2026, it was announced that the series would receive an anime television series adaptation. It is produced by Unend and directed by Keisuke Ide, with Hiroyuki Seshita serving as chief director, Hiroshi Seko handling the series composition and screenplays, Junko Yamanaka and Yūki Moriyama designing the characters (with Naoyuki Onda credited for original character design concepts), and Frédéric Chateau and Akiyuki Tateyama composing the music. The series premiered on July 9, 2026, on Fuji TV's +Ultra programming block. The opening theme song is "Thunderbolt", performed by Yuuri, while the ending theme song is "Shururerira", performed by Otoha (singer). Netflix is streaming the series worldwide.