Season 1 The 25-episode first season premiered on 4 April 2016, with an extended 52-minute first episode. It was broadcast on
TV Tokyo,
TV Osaka,
TV Aichi, and
AT-X. The series was simulcast by
Crunchyroll. Episode 14 and 18 ran 2 minutes longer than a typical anime episode, clocking at 25 minutes and 45 seconds. The final episode ran 3 minutes longer, clocking at 27 minutes and 15 seconds. A series of anime shorts featuring
chibi versions of the characters, titled , were produced by Studio Puyukai to accompany the series. The shorts ran for eleven episodes before being replaced by a new series of shorts, titled , which began airing on 24 June 2016, and ran for 14 episodes. The shorts are directed, written, and produced by Minoru Ashina, with character designs by Minoru Takehara, who also animated the series alongside Sumi Kimoto and Chisato Totsuka. Kenichiro Suehiro reprised his role as composer for the shorts, while Tomoji Furuya of Suwara Pro produced the sound effects. Jin Aketagawa directed the sound at production company Magic Capsule.
Animax Asia later aired the series starting on 13 January 2017.
Season 2 In March 2019, it was announced that a second season was in production. The cast and staff would reprise their roles for the second season. It was scheduled to premiere in April 2020, but was delayed to July 2020 due to production complications caused by the
COVID-19 pandemic. Before the arrival of the second season's initial premier date, an edited version of the first season premiered on 1 January 2020, on
AT-X and other channels, with the edited version recapping the first season through one-hour episodes. It also included new additional footage. The OVA "Memory Snow" was also broadcast in between the episodes 5 and 6 of the edited version. The second season was announced to be in a split-
cours format, with the first half airing from 8 July to 30 September 2020, and the second half airing from 6 January to 24 March 2021. The English dub for the second season began streaming from 26 August onwards.
Season 3 A third season of the anime series was announced at
AnimeJapan 2023. The season is animated by White Fox and directed by Masahiro Shinohara, with Haruka Sagawa serving as character designer. It premiered in October 2024 with a 90-minute special, titled . The first cours, entitled the "Attack Arc", ran from 2 October to 20 November 2024. The second cours, entitled the "Counterattack Arc", ran from 5 February to 26 March 2025.
Season 4 Immediately following the conclusion of the third season, a fourth was announced. Like the third, the fourth season is also scheduled to run in two batch cours. The first cours, entitled the "Loss Arc", premiered on 8 April 2026. The second cours, entitled the "Recapture Arc", is set to premiere on 12 August of the same year. The first episode of the season was screened at the 2025
Lucca Comics & Games convention on 1 November 2025.
OVAs An
original video animation (OVA) episode was announced at the "MF Bunko J Summer School Festival 2017" event on 10 September 2017. All of the main staff and cast returned for the OVA, with Tatsuya Koyanagi joining as chief director. Titled
Memory Snow, the OVA was screened in Japanese theaters starting on 6 October 2018. A second OVA, titled , was announced on 23 September 2018. The OVA is an adaptation of the prequel novel which was included with the first Japanese Blu-ray release of the television series, and focused on the meeting of Emilia and Puck. It was released in Japanese theaters on 8 November 2019. == Music ==