Star Trek: The Next Generation (1987)

S2E1 The Child

Stardate: 42073.1. While the USS Enterprise attempts to flee a system ravaged by a lethal plague, Counselor Troi experiences an inexplicable pregnancy. As the crew grapples with the urgency of their escape, they must also confront the strange circumstances surrounding Troi's condition, which raises questions about its origin and implications. The crew's efforts to ensure her safety intertwine with their mission to navigate the dangers of the plague-stricken area, leading to unforeseen challenges and revelations.