Demon Slayer: Kimetsu no Yaiba Season 1 Episode 18
A Forged Bond
Tanjiro and Inosuke face off against the Father Spider Demon of Mt. Natagumo. Tanjiro unleashes an attack, only to get hurled away by the demon's overwhelming power. Landing near a river, he comes upon the young demon Rui torturing the Sister Spider Demon. When Rui calls their bond of terror and hatred "a family’s bond," Tanjiro is enraged. So begins the battle between Rui and Tanjiro.
Guest Stars
Saori Hayami
Shinobu Kocho (voice)
Takahiro Sakurai
Giyū Tomioka (voice)
Shigeru Chiba
Zenitsu's Master (voice)
Tetsu Inada
Spider Demon (Father) (voice)
Ryoko Shiraishi
Spider Demon (Elder Sister) (voice)