Flesh and Blood (Star Trek: Voyager)

Flesh and Blood is a two part episode from the seventh season of Star Trek: Voyager.

Plot summary
Three years ago, Captain Janeway gave the Hirogen some holographic technology as a peace offering. They proceeded to modify it to make the holographic "prey" characters more challenging. Now they are running for their lives from ships full of homicidal holograms who want to take revenge on their hunters.