4-07: Scientific Method
Seven discovers that Voyager's crew are subjects of secret deadly experiments.
4-14: Message in a Bottle
The Doctor is sent to the Alpha Quadrant through an alien relay network, arriving aboard a Starfleet vessel commandeered by Romulans.
4-18: The Killing Game, Part I
Their memories erased, Voyager’s crew are placed into a World War II holoprogram to be studied and hunted by the Hirogen.