Star Trek: The Next Generation (1987)

Episode Overview

Stardate: 43625.2. A disturbance in the space/time continuum unexpectedly pulls the U.S.S. Enterprise - C into the 24th Century, causing significant changes to history. In this altered reality, the Federation finds itself embroiled in conflict with the Klingons, Tasha Yar occupies a position on the bridge, Worf has not affiliated with the Federation, and it falls to Guinan, with her extraordinary insight into reality, to help mend the fractured timeline.