In "Her Pilgrim Soul," two scientists must discover why the spirit of a woman is reliving a previous life within their holographic computer. "I of Newton" showcases a mathematician in a battle of wits with the Devil for his soul.
In the episode "I of Newton", Sam is a math professor who, in a moment of frustration, offers to sell his soul to the Devil in exchange for the solution to an equation. The Devil appears and Sam must figure out how to save his soul from eternal damnation.—Jeff Lindstrom