Stardate: 48623.5 While investigating an asteroid belt containing a new element, Harry Kim is pulled into a 'subspace vacuole' and switched with a dead body. Soon after the body is revived the crew learn that the asteroid belt is the graveyard of an alien culture that transports its dead in the belief that they evolve into a higher state of consciousness. Harry's appearance on the homeworld begins to raise questions about the existence of their afterlife.
Stardate: 48892.1 When the Doctor is activated during a Red Alert, he learns that the ship has been abandoned, and that only B'Elanna Torres and an injured Captain Janeway are left on board. Soon afterwards, Lt. Barclay appears and tells him that his entire time on Voyager is an elaborate simulation, and he's really a holo-engineer by the name of Zimmerman on Jupiter station in the Alpha Quadrant, who has been trapped on a holodeck for six hours. If he does not destroy Voyager's warp core and end the program soon he will die.