New Anime On Netflix In December 2025: One Piece

If you’re an anime lover, get ready — December 2025 is going to be one of the most exciting months for anime fans on Netflix. From new episodes of One Piece to the long-awaited Record of Ragnarok Season 3, Netflix is ending the year with a massive anime lineup that fans around the world will love.

Whether you’re a longtime One Piece fan or eagerly waiting for new Netflix Original anime releases, December is packed with incredible content. Here’s a complete look at every new anime coming to Netflix in December 2025, including release dates, storylines, and what to expect next.

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Table of Contents

Netflix Original Anime Releases in December 2025

Record of Ragnarok (Season 3)

Release Date: December 10, 2025
Genre: Action, Fantasy
Runtime: 25 minutes per episode
Cast: Miyuki Sawashiro, Tomoyo Kurosawa, Kaito Ishikawa, Makato Furukawa, Ryoutarou Okiayu

Fans have been waiting a long time for this one. The highly anticipated Record of Ragnarok Season 3 will finally premiere on Netflix this December, bringing back the thrilling battles between gods and humans.

This season will pick up right where the second left off — with new legendary duels between history’s greatest warriors and divine beings. Expect to see Hades, the King of Helheim, facing off against Qin Shi Huang, the founder of China’s Qin Dynasty. Meanwhile, Beezlebub, also known as the Lord of the Flies, will clash with the brilliant scientist Nikola Tesla in what promises to be one of the most spectacular fights in anime history.

Fans can also look forward to the introduction of Susano’o no Mikoto, the “Godslayer,” who will face Soji Okita, the “Manslayer.” With its unique blend of myth, history, and breathtaking fight animation, Record of Ragnarok Season 3 will be one of the top anime on Netflix in December 2025.

Licensed Anime Arriving on Netflix in December 2025

One Piece (Season 29)

Release Date: December 1, 2025
Episodes: 12
Genre: Shonen, Adventure
Runtime: 24 minutes per episode
Cast: Mayumi Tanaka, Akemi Okamura, Kazuya Nakai, Kappei Yamaguchi, Hiroaki Hirata

Netflix is doubling down on One Piece this December! Following the massive global success of the One Piece Live-Action Series, the streamer continues to bring more episodes of the anime to its platform.

Season 29 of One Piece covers the Whole Cake Island Arc, one of the most emotional and action-packed arcs in the series. The Straw Hat Pirates sail into Big Mom’s territory — Whole Cake Island, home to the Yonko and her fearsome crew. This time, Sanji finds himself caught between loyalty and family, as his dark past resurfaces to threaten everything he holds dear.

If you’re new to One Piece or catching up, this season is a must-watch. The Whole Cake Island storyline dives deep into themes of sacrifice, friendship, and the unbreakable spirit of the Straw Hats — making it a perfect binge for the holidays.

One Piece HD Remastered: East Blue Saga

Release Date: December 15, 2025
Episodes: 15
Genre: Shonen, Adventure
Runtime: 24 minutes per episode
Cast: Mayumi Tanaka, Akemi Okamura, Kazuya Nakai, Kappei Yamaguchi, Hiroaki Hirata

Can’t get enough of One Piece? Netflix has even more good news. Starting December 15, fans can revisit the East Blue Saga — the beginning of Luffy’s legendary adventure — in new HD remastered quality.

The East Blue episodes mark the birth of the Straw Hat Pirates and showcase some of the most iconic moments in anime history — from Luffy’s first meeting with Zoro and Nami to the unforgettable Arlong Park arc. Now, fans can rewatch it all in high definition, making this release a nostalgic yet fresh experience.

Whether you’re a longtime fan or new to the series, this HD remaster is a must-watch for anyone who wants to relive the magic that started it all.

Returning Weekly Anime on Netflix in December 2025

One Piece: Egghead Island Arc (Part 2)

New Episodes: Every Saturday
Genre: Shonen, Action, Adventure
Runtime: 23 minutes per episode
Cast: Mayumi Tanaka, Akemi Okamura, Kazuya Nakai, Kappei Yamaguchi, Hiroaki Hirata

The Egghead Island Arc continues in December 2025, releasing new weekly episodes every Saturday. As one of the most technologically advanced settings in One Piece, Egghead Island introduces fans to Vegapunk and the mysteries of futuristic science in the One Piece world.

Part 2 will move toward the climax of the arc, with the Straw Hats facing impossible odds as they attempt to escape the island. Expect high-stakes battles, shocking revelations, and some of the best animation the series has ever seen.

By the end of the year, fans will be eagerly waiting for what comes next — the Elbaf Island Arc.

Ranma ½ (Season 2)

New Episodes: Every Saturday
Genre: Comedy, Drama, Romance
Episodes: 12
Runtime: 24 minutes per episode
Cast: Kappei Yamaguchi, Noriko Hidaka, Kouichi Yamadera, Rei Sakuma, Minami Takayama

Another fan-favorite making a comeback this December is Ranma ½ Season 2. The quirky romantic comedy continues the adventures of Ranma Saotome and Akane Tendou as their lives get even more complicated.

In case you missed the first season, Ranma and his father Genma are cursed — every time they’re splashed with water, Ranma turns into a girl, and Genma becomes a panda. When they arrive at the Tendou Martial Arts School, Ranma becomes engaged to Akane, one of Soun Tendou’s daughters. The hilarious chaos that follows is full of love triangles, martial arts battles, and plenty of laughter.

Fans can enjoy new weekly episodes of Ranma ½ all through December, making it the perfect light-hearted watch during the festive season.

Why December 2025 Is a Big Month for Anime on Netflix

Netflix is clearly going all-in on anime as 2025 wraps up. With a mix of classic titles like One Piece, revived favorites like Ranma ½, and high-intensity originals like Record of Ragnarok, December 2025 promises to be a dream month for anime enthusiasts.

This lineup also shows Netflix’s growing investment in anime — bringing both Japanese classics and global favorites under one platform. Whether you enjoy long-running epics or original fantasy battles, there’s something for everyone this month.

Final Thoughts

With Record of Ragnarok Season 3, multiple One Piece releases, and Ranma ½ Season 2, Netflix is making sure anime fans end 2025 on a high note. From action-packed battles to heartwarming nostalgia, this month’s lineup has something for everyone.

So, mark your calendars, set your reminders, and prepare for a binge-worthy December.

Which anime will you be watching on Netflix in December 2025? Let us know in the comments below!