5-18: Course Oblivion
When the crew becomes infected with a deadly illness, they discover that they may be duplicates.
5-11: Latent Image
The Doctor notices that a large portion of his memories have been deleted, after experiencing emotional instability from a decision that lead to a crew member’s death.
5-03: Extreme Risk
The crew is concerned about a disenchanted B’Elanna while they engage in a space race against the Malon to retrieve a valuable probe.
5-17: The Disease
Harry Kim becomes infected with a disease after falling in love with an alien woman, who is believed to be a saboteur within her community.