4-11: Concerning Flight
When Voyager seeks to recover stolen supplies, Janeway receives help from the holographic version of Leonardo da Vinci, who is using The Doctor’s pirated mobile emitter.
4-22: Living Witness
In the distant future, The Doctor’s backup program is reactivated, who must now correct Voyager’s negative historical perception.
4-07: Scientific Method
Seven discovers that Voyager's crew are subjects of secret deadly experiments.
Voyager encounters a disturbed, vengeful hologram while Seven senses Kim's infatuation.