waking moments
stardate 51471.3. The crew of the U.S.S. Voyager is attacked by a species that battle their enemies through their dreams. The entire crew is in stasis except from the Doctor. Being the one to have knowledge of waking dreams, Chakotay may be the only one that knows how to fight against this alien species.
message in a bottle
stardate: unknown. A Starfleet ship, the Prometheus, is detected in the Alpha Quadrant, thousands of light years away. After several message attempts fail to reach it, Seven of Nine rigs a network of transceivers that enable The Doctor to be transported to the ship so that he can let Starfleet know that the U.S.S. Voyager and his crew are still alive.