Star Trek: The Next Generation

Season 4, Episode 8

Episode Title: Future Imperfect

Air Date: 1990-11-12

Overview:

Stardate: 44286.5. Riker awakens one morning to discover he is suddenly 16 years in the future as the captain of the Enterprise, and negotiating a peace treaty with the Romulans with no recollection of how he arrived at that point in time, or of any recent events.