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.
4-25: Hope and Fear
Hope turns to fear when a decrypted Starfleet message communicating a way home proves false, forcing Janeway to face the consequences of a past decision.
Voyager is confronted by the Hirogen after usings their ancient network of relay stations to retrieve letters from home.