4-12: Mortal Coil
When Neelix returns from death, his spiritual beliefs are put in doubt.
4-22: Living Witness
In the distant future, The Doctor’s backup program is reactivated, who must now correct Voyager’s negative historical perception.
4-08: Year of Hell, Part I
Voyager is repeatedly attacked by Krenim warships while a scientist alters history by eliminating entire races from existence.