Ep 4. The Evil Within Demon's Head Castle

Inuyasha season 4 episode 4, "The Evil Within Demon's Head Castle" follows Inuyasha and the gang as they journey to Demon's Head Castle in search of Naraku's whereabouts. Upon arriving at the castle, they encounter a group of demons who seem to be under someone's control. Kagome is then taken captive, and it is up to Inuyasha and the others to rescue her and uncover the root of the problem.

The episode starts with an eerie scene of a castle deep in the woods surrounded by fog and eerie silence, setting the tone for the darker storyline ahead. The group soon finds that the castle is controlled by a demon named Magatsuhi, who uses his powers to control other demons and trap humans inside the castle. The castle serves as a prison for the human prisoners and a trap for any demons that dare to enter.

As Inuyasha and the others delve deeper into the castle, they encounter various traps and obstacles that test their skills and abilities. Meanwhile, Kagome is being held captive by a demon who seems to be under Magatsuhi's control. Kagome tries to use her spiritual powers to communicate with Inuyasha telepathically, which eventually leads the group to her location.

In the meantime, the group splits up to investigate the castle further, hoping to find a way to defeat Magatsuhi and put an end to his evil ways. They soon discover that the castle itself is alive and is working in tandem with Magatsuhi to trap both demons and humans. The group must overcome the devious traps and illusions laid out before them, fighting off various demons and soldiers in the process.

The episode culminates in a showdown between Inuyasha and Magatsuhi, where Inuyasha's demonic powers are put to the test. Alongside his loyal friends, Inuyasha battles fiercely against Magatsuhi and the castle itself, hoping to put an end to their evil plans once and for all.

Overall, "The Evil Within Demon's Head Castle" is an action-packed episode that highlights the strength and determination of Inuyasha and his friends. It also offers a glimpse into the darker side of the anime, with its eerie setting and intense battle scenes. Fans of the series will appreciate the action, suspense, and emotional storyline that keeps them on the edge of their seats from beginning to end.