by To celebrate the upcoming theatrical release of That Time I Got Reincarnated as a Slime: Tears of the Blue Sea, streaming platform ABEMA has announced the launch of the first-ever official free channel dedicated to the franchise. For a limited time, fans can watch a massive lineup of content including all TV seasons, OADs, side stories, and spin-offs completely free.
The special broadcast event will run daily for one week, from February 21 to February 27, 2026, culminating on the movie’s release day.
A Perfect Marathon Before the New Movie
This limited-time channel is designed as the ultimate catch-up marathon for both longtime fans and newcomers before the new film arrives in theaters.
The broadcast will include:
- TV Anime Seasons 1–3 (complete)
- Original Audio Dramas (3 episodes)
- Side Story Specials
- Spin-off Anime Series
- Additional bonus content
Episodes will also be available for free on-demand viewing for two days after each broadcast, giving viewers flexibility if they miss the live stream.
About That Time I Got Reincarnated as a Slime
Often shortened to “Tensei Slime,” the series is based on the hugely popular light novels written by Fuse and illustrated by Mitz Vah. The manga adaptation by Taiki Kawakami has also contributed to its global success.
The franchise has sold over 56 million copies worldwide, making it one of the best-selling isekai (other-world) series of all time.
The story follows an ordinary man who is reborn in a fantasy world as a slime monster named Rimuru Tempest. Despite his seemingly weak form, Rimuru possesses unique abilities that allow him to absorb powers, form alliances, and build a nation where monsters and humans can coexist peacefully.
Key elements that define the series:
- Strategic world-building
- Memorable characters
- Political intrigue
- Epic battles
- Heartwarming friendships
- Humor and slice-of-life moments
Since its anime debut in 2018, the franchise has expanded rapidly with multiple seasons, spin-offs, OVAs, and films. A fourth TV season is already in development, further fueling fan excitement.
New Movie: Tears of the Blue Sea
The upcoming film That Time I Got Reincarnated as a Slime: Tears of the Blue Sea introduces a brand-new story set in an oceanic environment a first for the series.
Movie Highlights
- Release date: February 27, 2026
- Original story supervised by author Fuse
- New characters and locations
- High-stakes conflict at sea
- Expanded lore of the Tempest world
Because the film features an original narrative not directly adapted from the novels, it offers fresh content even for readers familiar with the source material.
Complete Free Channel Lineup
The official ABEMA channel will stream the following content:
Main TV Series
- Season 1
- Season 2
- Season 3
Original Audio Dramas
- Side Story: Hey! Butt!
- Side Story: M’s Tragedy?
- Side Story: Rimuru’s Magnificent Teacher Life
Side Story Special
- That Time I Got Reincarnated as a Slime: Coleus’ Dream (also known as Corle’s Dream)
Spin-Off Anime
- The Slime Diaries: That Time I Got Reincarnated as a Slime — a slice-of-life series focusing on everyday life in Tempest
This diverse lineup allows viewers to experience both the action-packed main story and the lighter, comedic side of the franchise.
Why This Event Is Great for Beginners
If you have never watched Tensei Slime, this free broadcast is an ideal starting point.
No Subscription Required
All content is available without cost during the event period.
Chronological Viewing
Watching seasons in order helps new viewers understand the story’s progression.
Balanced Tone
The series mixes action, politics, humor, and character development, appealing to a wide audience.
Complete Experience
Including spin-offs and side stories provides deeper insight into the world and characters.
Why the Series Remains So Popular
Several factors contribute to the franchise’s enduring success:
Unique Protagonist
A slime hero is unconventional yet surprisingly powerful and relatable.
World-Building Focus
The story emphasizes diplomacy, economics, and nation-building — rare for fantasy anime.
Large Supporting Cast
Each character has a distinct personality and role in Tempest society.
Cross-Genre Appeal
Combines fantasy, action, comedy, and slice-of-life elements.
Viewing Schedule and Availability
- Event Period: February 21 (Sat) – February 27 (Fri), 2026
- Platform: ABEMA Official Free Channel
- Format: Daily broadcasts
- Catch-Up Viewing: Free for 2 days after airing
Availability may vary outside Japan, so international fans should check regional access options.
Final Thoughts
The launch of the official That Time I Got Reincarnated as a Slime free channel is a major celebration of one of anime’s most successful modern fantasy franchises. By offering nearly the entire animated catalog at no cost, ABEMA is giving fans a rare opportunity to revisit the series — or discover it for the first time just in time for the new movie.
Whether you’re a longtime follower of Rimuru’s journey or a newcomer curious about the hype, this week-long marathon is the perfect gateway into the world of Tempest.
Don’t miss the chance to experience one of the most beloved isekai stories before its next big cinematic chapter begins.
