Star Trek: Voyager: Season 5 Episode 6

Timeless

Stardate: Unknown. Voyager uses new quantum slipstream technology in an attempt to get home, but a miscalculation causes the ship to crash into an ice planet. Fifteen years later, the sole survivors, Chakotay and Kim, steal the Delta Flyer in an attempt to send a message back in time and avert the disaster, however, Geordi LaForge (from The Next Generation, but now a captain), who commands the Galaxy-class USS Challenger, is determined to stop them at all costs.-