🎯 Quick Overview
Trailer
- Director: Jon Halperin, Drew Takahashi
- Genre: Documentary, Science, Philosophy, Mathematics
- Release year: 2022
- Runtime (length): 1h 19min
- IMDb rating: 7.0/10 (4.4K votes)
- Rotten Tomatoes: 83%
😅 Plot Summary – Badly Explained
A bunch of super-smart people stare off into space trying to figure out if numbers actually end, while trippy animations make you question if you’re experiencing infinite popcorn refills.
🍿 A Trip to Infinity: Detailed Plot Synopsis
Exploring the Concept of Infinity
“A Trip to Infinity” is a documentary that brings together leading mathematicians, physicists, cosmologists, and philosophers to delve into the fascinating and often mind-bending concept of infinity. The film explores what infinity means, both in abstract mathematical terms and its potential presence in the physical universe. The documentary introduces the basic idea that infinity represents something without end, a concept that challenges human intuition. Experts share their personal relationship with infinity, highlighting both the human fear of boundless, uncontrollable concepts and the sense of wonder and awe it can inspire.

Mathematical Infinity: Paradoxes and Proofs
The film explores infinity within the realm of mathematics, where it is a well-defined concept despite leading to paradoxes. A key illustration is Hilbert’s Paradox of the Grand Hotel, a thought experiment demonstrating how a hotel with infinite rooms can always accommodate more guests, even an infinite number of new guests. This paradox reveals that infinity plus one still equals infinity, challenging conventional arithmetic. The documentary also touches upon the idea that not all infinities are equal, introducing the concept of a hierarchy of infinities where some are ‘bigger’ than others. The historical development of calculus is presented as a way mathematicians learned to ‘tame’ infinity for practical problem-solving.

Infinity in the Physical World
The discussion moves to whether infinity exists in the physical universe. Experts consider whether the universe is spatially infinite, going on forever, or finite but unbounded (like the surface of a sphere). The film explores whether matter and space can be infinitely divided. While matter is discrete (made of atoms, etc.), the concept of Planck length suggests there might be a limit to how small space can be divided, implying space might also be discrete rather than infinitely continuous.

Black Holes and the Limits of Physics
Black holes are presented as potential physical manifestations of infinity. At the center of a black hole lies a singularity, theorized to be a point of infinite density and infinite curvature. Crossing a black hole’s event horizon leads towards this singularity, a point where current laws of physics break down. The documentary ponders whether black holes could represent a literal ‘end’ of existence or perhaps a gateway to something beyond.

⚠️ Spoilers and Ending Explained
🎬 Cast & Characters
- Self – Mathematician (Steve Strogatz): A mathematician who clarifies concepts of mathematical infinity and its paradoxes, notably the Infinite Hotel.
- Self – Philosopher (Rebecca Newberger Goldstein): A philosopher exploring whether infinity is a real-world phenomenon or purely a human concept.
- Self – Theoretical Physicist (Brian Greene): A theoretical physicist providing perspectives on infinity as it relates to cosmology and the structure of the universe.
- Self – Cosmologist (Stephon Alexander): A cosmologist discussing the potential existence and implications of infinity on the grand scale of the cosmos.
- Self – Mathematician (Eugenia Cheng): A mathematician who offers insights into the different scales and complexities of mathematical infinities.
- Self – Physicist (Alan Lightman): A physicist sharing his understanding of the physical limits and manifestations of infinity.
- Self – Theoretical Physicist (Carlo Rovelli): A theoretical physicist contributing to the discussion of how infinity appears or is dealt with in fundamental physics.
💬 Memorable Quotes
- Steven Strogatz: “Infinity plus one is still infinity.” – Explaining Hilbert’s paradox of the Grand Hotel, demonstrating counter-intuitive properties of mathematical infinity.
- Rebecca Newberger Goldstein: “To be conscious is to be dealing with infinity.” – Reflecting on the deep connection between human consciousness and the concept of the infinite.
- Brian Greene: “If space does go on infinitely far, then it is inevitable that the patterns and configurations of mass and energy will repeat themselves. There will be copies of us.” – Discussing the mind-bending implications of an infinitely large universe, including the idea of parallel universes or copies of ourselves.
- Janna Levin: “We were not here a million years ago, and we will not be here a million years from now, and the Universe does not care.” – Offering a stark, humbling perspective on the vastness of cosmic time and the insignificance of human existence within it.
- Eugenia Cheng: “There is a whole hierarchy of infinities. There are smaller infinities and bigger infinities.” – Introducing Cantor’s groundbreaking concept that not all infinities are the same size, a key idea in understanding the mathematical infinite.
💰Box Office
- Budget: N/A
- Domestic Gross: N/A
- Worldwide Gross: N/A
💥 A Trip to Infinity Reviews
Personal Review
Wow, this movie really made my brain hurt in the best possible way! I loved how it took these huge, abstract ideas like infinity and tried to make them visual. The animations were absolutely mesmerizing, like a cosmic art show accompanying mind-bending lectures. Thinking about the Infinite Hotel paradox or how time might work near a black hole felt like a wild ride. It definitely made me feel incredibly small in the grand scheme of things, but also part of something much bigger and weirder than I can fully grasp. I didn’t understand everything, and sometimes felt like I was drowning in concepts, but I came away feeling more curious about the universe and mathematics than ever before. It’s a movie that sticks with you.
- Who would enjoy:
- “Viewers interested in science, mathematics, and philosophy”
- “Those curious about abstract concepts and the nature of reality”
- “Fans of visually stimulating documentaries exploring big ideas”
- “Students or individuals looking for an introduction to concepts of infinity”
- Content warnings ⚠:
- “Discusses complex and abstract scientific/philosophical concepts that may be challenging”
- “Explores existential themes, including the scale of the universe, human insignificance, and the potential end of the universe”
Professional Reviews
- Synth Review: “”A Trip to Infinity” is a visually stunning journey through complex concepts, elevated by psychedelic animation that makes dense physics feel momentarily accessible. While the interviews with esteemed scientists and mathematicians offer intriguing perspectives, the film often skims the surface, leaving viewers with more beautiful images than profound understanding. It’s a fascinating introduction, but those seeking deep intellectual dives might find it wanting.
- Synth Review: “Prepare for your mind to bend! This documentary tackles the daunting subject of infinity with remarkable creativity. The blend of expert commentary and vibrant, imaginative animation creates a truly unique viewing experience. While some concepts are inevitably challenging, the film successfully sparks wonder and contemplation about our place in the universe. It’s less a lecture and more a thought-provoking, sometimes overwhelming, sensory exploration.
- Synth Review: “While undeniably stylish, ‘A Trip to Infinity’ prioritizes visual flair over substantive explanation. The array of brilliant minds offer glimpses into the mathematical and physical implications of infinity, but these insights often feel fragmented and repetitive. The pacing is uneven, making it feel longer than its runtime. It’s a visually engaging primer, but those familiar with the topic may find it lacks the necessary depth to truly satisfy.
Audience Reactions
The visuals are stunning and truly help conceptualize complex ideas.: Many viewers found the documentary visually captivating and appreciated the attempt to explain difficult subjects, even if the depth varied.
It makes you think deeply about existence and your place in the universe.: A common theme is that the film sparks existential thought and philosophical reflection.
Overall Consensus: A visually striking and thought-provoking exploration of infinity that audiences found engaging and mind-bending, despite some debate over its overall intellectual depth.
Awards
🛠️ Behind the Scenes
- “The film’s diverse psychedelic animation was created by artists from 10 different countries.”
- “Despite being a documentary featuring esteemed scientists, one interview segment notably includes the sound of a passing train, which the filmmakers chose to leave in.”
- “The abstract, electronic musical score was composed by Efrim Manuel Menuck, known for his work with the band Godspeed You! Black Emperor.”
🖥️ How to Watch A Trip to Infinity?
As of its release, “A Trip to Infinity” premiered on Netflix. You can stream the documentary there if you have a subscription. It may also be available for digital rental or purchase on platforms such as Prime Video, Apple TV, Google Play, and Vudu, allowing you to watch it on various devices.

🎥 Similar Movies
If you enjoyed A Trip to Infinity, you might like these similar films:
- Particle Fever (2013): A documentary following physicists during the startup of the Large Hadron Collider, capturing the excitement and challenges of cutting-edge scientific discovery, much like ‘A Trip to Infinity’ explores complex concepts with leading experts.
- Interstellar (2014): While fictional, this film delves deeply into complex physics and cosmological concepts like wormholes, black holes, and the nature of time and space, resonating with the themes of infinity and the universe explored in the documentary.
- Secrets of the Surface: The Mathematical Vision of Maryam Mirzakhani (2020): Focuses on the life and work of a brilliant mathematician, providing insight into the abstract world of pure mathematics in a way that complements the mathematical discussions in ‘A Trip to Infinity’.
- Connected: The Hidden Science of Everything (2020): This Netflix series explores interconnectedness across various scientific fields, presented in an accessible and visually engaging style, similar to ‘A Trip to Infinity’s’ approach to a complex topic.
- Cosmos: A Personal Voyage (1980): A foundational science documentary series that captured the imagination of a generation by exploring the universe, cosmology, and the human place within it, appealing to viewers interested in vast scientific and philosophical themes.
🛒 A Trip to Infinity Related Products
- Cosmos: Possible Worlds: Neil deGrasse Tyson takes readers on a journey through space and time, exploring scientific concepts and humanity’s place in the cosmos with accessible language and stunning visuals.
- Universe and Galaxy Projector: Transform any room into a celestial experience with this projector that displays stars and galaxies, creating an immersive cosmic atmosphere.
- Infinity Symbol Necklace: A simple yet elegant necklace featuring the mathematical symbol for infinity.
- The Language of the Universe: A Field Guide to the Frontier of Reality: An accessible guide exploring fundamental physics concepts, similar to those discussed by experts like Brian Greene in the film.
🎧 Soundtrack
A Trip to Infinity features a captivating soundtrack that enhances the movie’s atmosphere and emotional impact. Here are some notable tracks:
- “The Infinite Hotel Suite” – performed by Efrim Manuel Menuck
- “Beyond Count” – performed by Efrim Manuel Menuck
- “Planck Scale Pulse” – performed by Efrim Manuel Menuck
- “Cosmic Recurrence Theorem” – performed by Efrim Manuel Menuck
- “The Singularity Beckons” – performed by Efrim Manuel Menuck
- “Geometry of Everything” – performed by Efrim Manuel Menuck
You can find the complete soundtrack on Amazon Music and Apple Music.
🤨 FAQ
“A Trip to Infinity” is available to stream on Netflix. You may also find it available for digital rental or purchase on platforms like Prime Video, Apple TV, Google Play, and Vudu.
The documentary explores complex concepts from mathematics, physics, and philosophy related to infinity. While the experts and visuals aim to make these ideas accessible, some viewers may find certain concepts challenging or confusing. It is designed to be thought-provoking rather than providing simple answers.
The Infinite Hotel paradox (or Hilbert’s Hotel) illustrates the strange properties of mathematical infinity. It describes a hypothetical hotel with infinitely many rooms, all occupied. Even when a new guest arrives, or infinitely many new guests arrive, the manager can rearrange the existing guests to make room for the newcomers, demonstrating that infinity + 1 = infinity and infinity + infinity = infinity.
The documentary explores the possibility of a physically infinite universe, discussing the implications like repeating patterns of matter and energy. However, it also acknowledges that due to the finite speed of light, we can never definitively know if the universe extends infinitely or is finite but unbounded. Scientists are still researching and debating this topic.
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