Star Trek: Voyager, season 4, episode 12
Mortal Coil
Summary
Neelix dies in an attempt to sample proto-matter from a nebula. Seven of Nine helps resuscitate him using Borg nanoprobes, but Neelix, having no memory of an afterlife of any kind, experiences a spiritual crisis.
Summary from Wikipedia, CC BY-SA 4.0.
Find out more
These links open the services in a new tab with the question pre-filled; the AI assistants may ask you to sign in. Their answers can contain errors.