Philip K. Dick's novel, which serves as the basis for Blade Runner, is published.
Hampton Fancher and David Peoples develop the screenplay for the film Blade Runner, adapting the novel.
Principal photography for Blade Runner begins in Los Angeles and London.
Blade Runner is officially released in theaters in the United States.
Ridley Scott releases the Director's Cut of Blade Runner, altering the film's ending and removing the voice-over.
Ridley Scott releases the Final Cut of Blade Runner, the definitive version with full studio backing and restored footage.
The Tyrell Corporation develops the Nexus-6 series replicants, advanced bioengineered beings nearly indistinguishable from humans, used for off-world labor and military purposes.
Nexus-6 replicants rebel against harsh conditions on off-world colonies, leading to increased restrictions and the use of Blade Runners to hunt them down.
Blade Runners begin employing the Voight-Kampff test to detect replicants by measuring emotional responses.
Rick Deckard, a former Blade Runner, is recruited to hunt down and 'retire' escaped Nexus-6 replicants that have illegally returned to Earth.
Deckard meets Rachael, an advanced replicant who is unaware of her artificial nature due to implanted memories.
Deckard tracks down and confronts the Nexus-6 replicants led by Roy Batty, resulting in a series of violent encounters.
In a climactic battle, Roy Batty saves Deckard's life before his own programmed lifespan expires, highlighting themes of humanity and mortality.
