Dark City (1998) & The Zero Theorem (2013): Reality, Identity & Control | EP10

Simulated Worlds and Existential Sci-Fi

In this episode of Journey Through Sci-Fi, we continue our exploration of the virtual reality subgenre by looking at two films that question the nature of reality and human identity.

Both films imagine worlds where reality itself is manipulated or artificially constructed, forcing their protagonists to confront the possibility that their lives may not be what they seem.

First we discuss Dark City (1998), the neo-noir science-fiction film directed by Alex Proyas. The story follows John Murdoch, a man who awakens with amnesia in a mysterious city where it is always night and strange figures known as the Strangers manipulate the environment and alter people’s memories.

Then we explore The Zero Theorem (2013), the dystopian sci-fi film directed by Terry Gilliam. The film follows reclusive programmer Qohen Leth, who is tasked by a powerful corporation with solving a mathematical equation known as the “Zero Theorem,” which may determine whether life has any meaning.

Together these films explore a recurring theme in science fiction:

What if reality itself is an illusion created by forces beyond our control?

Because here on Journey Through Sci-Fi, we explore the history of science-fiction cinema one subgenre at a time.

Listen to the full episode below:

What We Discuss In This Episode

In this episode we talk about:

• Artificial worlds and manipulated realities

• Memory and identity in science-fiction storytelling

• The philosophical ideas behind simulated worlds

• Dystopian societies controlled by hidden powers

• How films like Dark City helped influence later sci-fi classics such as The Matrix

Dark City (1998) – A World Built on Memory

Directed by Alex Proyas, Dark City presents one of the most intriguing artificial worlds in science fiction.

The film begins when John Murdoch wakes in a hotel bathtub with no memory of who he is. As he investigates his identity, he discovers a mysterious group known as the Strangers who possess the ability to manipulate reality itself.

Every night at midnight the inhabitants of the city fall asleep while the Strangers rearrange buildings and implant new memories into the population.

Murdoch eventually learns that the city is actually a space-borne experiment, where the Strangers are studying human consciousness in an attempt to understand the nature of the soul.

The film blends science fiction with noir aesthetics and philosophical themes, exploring questions about memory, identity and what it means to be human.

The Zero Theorem (2013) – Searching for Meaning in a Digital World

While Dark City explores artificial worlds created through alien experimentation, The Zero Theorem focuses on existential questions about meaning and identity.

The film follows Qohen Leth, a socially isolated computer programmer living in a dystopian corporate future. His employer assigns him an impossible task: to prove a formula known as the Zero Theorem, which could reveal whether the universe ultimately amounts to nothing.

Throughout the film Qohen retreats into various forms of virtual environments and digital simulations, searching for answers to life’s purpose.

Director Terry Gilliam presents this world as a chaotic cyberpunk future dominated by corporations, advertising and digital technology.

The result is a surreal science-fiction story about existential anxiety in the digital age.

Reality as an Illusion

Both Dark City and The Zero Theorem explore the unsettling possibility that reality itself might be constructed or manipulated.

In Dark City, memories are artificially implanted and entire environments can be rewritten overnight.

In The Zero Theorem, a corporate-controlled digital world raises questions about whether life itself has meaning.

These films push the virtual-reality concept beyond technology and into philosophy, asking audiences to consider one of the oldest sci-fi questions:

How can we know that the world around us is real?

Continuing Our Journey Through Virtual Reality

This episode is part of our Journey Through Virtual Reality series, where we explore how science-fiction cinema has imagined simulated worlds, digital identities and immersive technologies.

From early cyberpunk visions to philosophical explorations of artificial reality, these stories reveal how sci-fi continues to challenge our understanding of consciousness, memory and reality itself.

Start Your Journey Through Sci-Fi

Journey Through Sci-Fi is a podcast exploring the strange, visionary and world-changing history of science-fiction cinema.

Each series focuses on a different sci-fi theme — from space exploration and artificial intelligence to time travel, virtual reality, cyberpunk and dystopian futures.

Join us as we explore the films and ideas that shaped science fiction.