That Time I Got Reincarnated as a Slime Season 4 Episode 15: Release date and everything we need to know

Fans are currently waiting to watch That Time I Got Reincarnated as a Slime Season 4 Episode 15, as this series has taken a dramatic turn, especially now that Rimuru has gotten new allies. In the latest installment, we see how Diablo went on a mission to recruit three Primordial Demons to serve Rimuru. And one thing we know about Rimuru's allies is that they will get their mission completed.

After three of these demons pledged their alliance to them, the Tempest's military is going to be stronger than ever. According to official sources, it has been confirmed that 'That Time I Got Reincarnated as a Slime Season 4 Episode 15' is going to be released on July 17, 2026. As usual, this series follows a weekly release schedule, and the latest installment will first air on a local Japanese broadcast channel.

International fans will have to wait a little before it becomes available to stream online. Below is the list of release timings depending on various locations around the world:

• Pacific Time (PDT): 8:00 AM
• Central Time (CDT): 10:00 AM
• Eastern Time (EDT): 11:00 AM
• British Summer Time (BST): 4:00 PM
• Central European Summer Time (CEST): 5:00 PM
• India Standard Time (IST): 8:30 PM
• Japan Standard Time (JST): 12:00 AM (July 18)

Currently, That Time I Got Reincarnated as a Slime Season 4 Episode 15 can be streamed on Crunchyroll and Netflix.

Recap for Season 4 Episode 14

This week's installment started with Diablo being on his way to recruit Testarossa (White), Ultima (Violet), and Carrera (Yellow). These demons are supposed to be incredibly powerful, and to get them to pledge allegiance to Rimuru would mean that Tempest would get more secure.

It was interesting to watch Diablo use different means to convince these demons to come and meet Rimuru. These techniques vary on the basis of the personalities of these demons. When the trio went to meet Rimuru, it did not take long time for them to agree to work with him.

Then came an iconic moment when he gave them bodies to be reincarnated and also names, which made them evolve into Demon Peers. By the end of the episode, Tempest had quietly become home to one of the strongest military forces in the world.

What to expect from That Time I Got Reincarnated as a Slime Season 4 Episode 15? (Speculative)

Looking at how the latest installment ended, fans could expect the following from That Time I Got Reincarnated as a Slime Season 4 Episode 15:

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• The Black Numbers could begin their training: Now that the Primordial Demons have received physical bodies and names, fans may finally see the Black Numbers organized into an elite military unit. Diablo, Testarossa, Ultima, and Carrera will, in That Time I Got Reincarnated as a Slime Season 4 Episode 15, likely begin assigning roles to their followers while adapting to life in Tempest.
• Rimuru may realize the true scale of his new army: Throughout Episode 14, Rimuru treated naming the Primordials almost casually, but many fans have pointed out that he may not fully grasp just how dangerous his new subordinates are. That Time I Got Reincarnated as a Slime Season 4 Episode 15 could show advisors like Benimaru or Raphael explaining exactly how much Tempest's military power has increased.
• Other Demon Lords and kingdoms may take notice: Many fans believe the That Time I Got Reincarnated as a Slime Season 4 Episode 15 could begin teasing political reactions and future diplomatic tensions rather than immediate combat. Because it is only a matter of time before neighboring nations and Demon Lords learn about Tempest's unprecedented military expansion.

In conclusion, the fans have high expectations from fans because this series has the potential to become more focused on action. Especially with Rimuru's military power growing, everyone wants to see them showcase their skills because it is going to leave a lasting impact.

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