The Jar (The Ray Bradbury Theater, 1992)

In a quiet rural town, a struggling farmer discovers an eerie specimen in a jar at a carnival sideshow. Hoping to earn the admiration of his neighbors, he showcases the mysterious jar, which soon becomes the talk of the town. But when his unfaithful wife threatens to expose him, desperation drives him to the unthinkable in this chilling tale of pride, perception, and the dark side of human nature.