Deborah Levin

The Krenim Imperium is attempting to return to its former glory by using a temporal weapon ship that can erase entire species of their enemies from existence.

Working with only a skeleton crew, Captain Janeway desperately attempts to repair Voyager in order to stop Annorax.

Ensign Vorik expresses his desire to mate with B'Elanna during his Pon-Farr. After they get in a brawl over the matter, Torres begins showing signs of the Pon-Farr herself.

One by one, the crew of Voyager go missing and are replaced by strangers who claim they have no idea how they arrived. Soon, nearly the whole crew is gone, and there is no way of stopping the strangers from appearing and overrunning the ship.

Will (Eric McCormack) convinces Grace (Debra Messing) that her boyfriend, Noah (guest star David Schwimmer), isn't in the wrong by refusing to let her meet his daughter, Katie. When Grace goes to apologize to Noah, she unintentionally meets Katie. Meanwhile, Will's mom, Marilyn (guest star Blythe Danner), visits after the death of her beloved dog, and becomes upset when she doesn't get the emotional support she expects from her son. And Jack (Sean Hayes) gets into an argument with his rec center boss, Theo (guest star Derek Gaines).