Counterpart Season 1 (2017)

This sci-fi thriller showcases the life of a United Nations employee. Over the course of his work, he learns that his particular agency is hiding something very important form the public. That something is a gateway that leads directly to a parallel dimension. This community is in conflict with our own universe. In this other universe, his other self is a spy on our own. During the course of the series, he learns how to respond to this discovery and what it means for his society and the secret society that's being suppressed by the very agency he works for.