The alien invasion begins.

Humanity is suffering from a series of mysterious murders across the globe, known as the 'Mincemeat murders'. High school student Izumi Shinichi has a parasite living off him, having replaced his right hand, and he might be the discoverer of truth.
In Parasyte: Part 1, consciousness is carried by aliens — a plane of “alien symbiosis”. The story fights on E8/E9/E10 of the E0–E14 reality ladder, compressing identity, otherness, prejudice, politics, survival.
Films fighting at the same level of reality, about the same things.
The same preoccupations examined at another scale — one mind versus a nation.
Iron Sky (2012)E12/E14 · rare rung · politics, prejudice
Invasion of the Body Snatchers (1956)E13/E14 · rare rung · identity, otherness
Men in Black (1997)E11/E13 · rare rung · otherness, prejudice
Battle for the Planet of the Apes (1973)E11/E13 · rare rung · prejudice, survival
Cosmic Sin (2021)E12/E13 · rare rung · politics, survival
Star Trek VI: The Undiscovered Country (1991)E13 · rare rung · politics, prejudiceOther films that change a standing rule of their world — ranked first by those bending it at the same rung.
Other films that move a human interior onto the same kind of thing.
I Am Number Four (2011)consciousness in aliens · alien exile
Stitch! The Movie (2003)consciousness in aliens · ohana galaxy
Captain Marvel (2019)consciousness in aliens · interstellar war
Coneheads (1993)consciousness in aliens · suburban alien assimilation
Lilo & Stitch (2025)consciousness in aliens · alien-ohana island
Superman: Man of Tomorrow (2020)consciousness in aliens · alien-hero metropolisThe same preoccupations carried by a different kind of thing — grief told through the dead, an animal, a machine.
The Watchers (2024)consciousness in monsters · identity, otherness
The Little Mermaid II: Return to the Sea (2000)consciousness in monsters · identity, otherness
Homeward Bound II: Lost in San Francisco (1996)consciousness in animals · identity, prejudice
Dawn of the Planet of the Apes (2014)consciousness in animals · identity, prejudice
Z-O-M-B-I-E-S 2 (2020)consciousness in the dead · identity, politics
Extinction (2018)consciousness in machines · identity, prejudice