In the future, Chakotay, Harry Kim, and The Doctor work to rectify a past mistake that resulted in Voyager’s destruction and the death of its crew.
5-22: Someone to Watch Over Me
Upon taking a bet with Tom Paris, The Doctor helps improve Seven of Nine’s dating skills, all-the-while falling in love with her himself.
5-04: In The Flesh
Voyager encounters an exact replica of Starfleet Headquarters on Earth; a training facility for an invasion.
5-18: Course Oblivion
When the crew becomes infected with a deadly illness, they discover that they may be duplicates.