Adventure Time (2010)

S8E5 I am a Sword

Finn starts experiencing unsettling dreams about his lost Finn Sword, leaving him to question the reality of these visions. As the nightmares intensify, he grapples with the possibility that his sword might hold a deeper significance than he initially thought. Determined to uncover the truth, Finn embarks on a journey to find his cherished weapon and confront the mysteries lurking within his mind.