Mushoku Tensei season 1

Mushoku Tensei: Jobless Reincarnation is a Japanese anime television series based on Rifujin na Magonote's light novel series of the same title. The series follows a jobless and hopeless man who dies after having a sad and reclusive life and reincarnates in a fantasy world while keeping his memories, determined to enjoy his second chance at life without regrets as Rudeus Greyrat. The first season of the anime series adapts the first six volumes of the light novels.

The first season was directed by Manabu Okamoto and animated by Studio Bind, with Kazutaka Sugiyama designing the characters, and Yoshiaki Fujisawa composing the music. Egg Firm is credited for production. The series was originally scheduled to premiere in 2020, but was delayed to January 2021. The first part aired from January 11 to March 22, 2021, on Tokyo MX, KBS, BS11, and SUN. The second part was originally set to premiere in July 2021, but was delayed to October 2021. The second part aired from October 4 to December 20, 2021. The season ran for 23 episodes. Toho Animation released both parts of the first season on Blu-ray across 4 volumes, with the first volume releasing on April 21, 2021. The anime's fourth Blu-ray volume was released on March 16, 2022, and included an extra OVA episode.

The first opening theme song is "Tabibito no Uta" (旅人の唄). The second opening theme song is "Mezame no Uta" (目覚めの唄). The third opening theme song is "Keishō no Uta" (継承の唄). The fourth opening theme song is "Inori no Uta" (祈りの唄). The fifth opening theme song is "Tōku no Komori no Uta" (遠くの子守の唄). The first cour ending theme song is "Only" (オンリー), while the second cour ending theme song is "Kaze to Iku Michi" (風と行く道). All of the openings and endings for the season were performed by Yuiko Ōhara.

Funimation licensed the series and streamed it on its website in North America, Mexico, Brazil and the British Isles, in parts of Europe, Central Asia and North Africa through Wakanim, and in Australia and New Zealand through AnimeLab. The series also streamed on Hulu in the United States. On February 13, 2021, Funimation announced the series would be receiving an English dub, with the first episode premiering the next day. Following Sony's acquisition of Crunchyroll, the series was moved to the streaming platform. Crunchyroll released the first 11 episodes on DVD and Blu-ray in North America on December 5, 2022, with the latter 12 episodes a well as the OVA episode being released by the company on March 7, 2023. Crunchyroll also released the first season across two Blu-ray volumes in the United Kingdom and across two Blu-ray and DVD volumes in Australia.

Muse Communication has licensed the series in Southeast Asia and South Asia and streamed it on their Muse Asia YouTube channel and its respective regional variants, and on iQIYI, Bilibili and WeTV in Southeast Asia, Netflix in South Asia and Southeast Asia, Catchplay in Indonesia and Singapore, meWatch in Singapore, and Sushiroll in Indonesia.