Ep 6. The Ominous Demon Sword Tetsusaiga

Inuyasha season 1 episode 6, titled "The Ominous Demon Sword Tetsusaiga," begins with Inuyasha and Kagome walking through a forest, where they come across a statue of a dog demon. Kagome mentions that it looks like Inuyasha, but he dismisses it and insists that they keep moving forward.

Suddenly, they hear a sound, and Inuyasha jumps into action, assuming it's an enemy. But it turns out to be a man named Totosai, who makes swords for demons, including Inuyasha's father. Totosai tells them he has a sword to give to Inuyasha, but he needs to go retrieve it from where it's been hidden for hundreds of years.

Totosai takes them to a nearby cave, where the sword is supposed to be hidden. Kagome stays outside while Inuyasha and Totosai go in, and as they walk deeper into the cave, they realize it's full of traps and obstacles meant to keep unwanted visitors out.

Eventually, they reach the end of the cave, where Totosai opens a secret door and reveals the sword: Tetsusaiga. Totosai explains that the sword is incredibly powerful and has the ability to slay a hundred demons in one strike. However, the sword can only be wielded by the dog demon who is pure of heart. Inuyasha takes the sword and tries to unsheathe it, but he can't.

They exit the cave, and Inuyasha is still struggling to unsheathe the sword. Kagome suggests that he might not be pure of heart, which Inuyasha vehemently denies. As they continue walking, they come across a group of demons attacking a village. Inuyasha takes out his sword and tries to use it, but it still won't unsheathe.

The demons notice Inuyasha's sword and become fearful, realizing it's Tetsusaiga. They tell him that the sword is cursed and was made from the fangs of Inuyasha's father's greatest enemy. The curse on the sword makes it so that whoever wields it must feel the pain and suffering of the demons the sword slays. Inuyasha becomes more determined than ever to wield the sword and defeat the demons to protect the innocent villagers.

He finally unsheathes the sword and manages to defeat the demons, but not without feeling their pain. Inuyasha struggles with the curse on the sword and the fact that he has so much power at his disposal. He wonders if he's truly pure of heart, and if he's worthy of wielding Tetsusaiga.

As he grapples with these thoughts, a monstrous demon appears before them. This demon is different from any they've seen before -- it's huge, powerful and looks almost indestructible. Inuyasha realizes that this demon is the one who has killed his father, and he's been searching for it for years.

Inuyasha charges at the demon, sword in hand. But despite his efforts, he's unable to strike a blow. Kagome notices a stone sticking out of the demon's chest and realizes that it's the key to defeating it. Inuyasha jumps onto the demon's back and stabs the stone, causing the demon to disintegrate into dust.

After the battle, Inuyasha admits that he's not pure of heart and that he's been struggling with his inner demons for years. He's unsure if he's really worthy of wielding Tetsusaiga, but Kagome reassures him that he's a good person and that the fact that he hesitates and worries about his own worthiness proves that he's not a heartless demon.

The episode ends with Inuyasha holding Tetsusaiga and looking out into the distance, wondering what challenges lay ahead for him and his companions.