Big Octopus Review: Story, Cast, Rating & Final Verdict
Last updated: May 16, 2026
Movie Overview: Big Octopus
| Movie | Big Octopus |
| Release Year | 2020 |
| Director | Frank Xiang |
| Genre | Science Fiction / Fantasy / Adventure / Action / Horror |
| Runtime | 86 minutes (1h 26m) |
| Language | ZH |
Quick Verdict: Hit or Flop?
Is Big Octopus (2020) worth watching? According to our cinematic analysis, the film stands as a FLOP with a verified audience rating of 3.8/10. Whether you're looking for the box office collection, ending explained, or parents guide, our review covers everything you need to know about this Science Fiction.
Cast & Character Study
The performances in Big Octopus are led by Liu Mu . The supporting cast, including Candice Zhao and Zhang Haocheng , provides the necessary layers to the central narrative.
movieMx Verdict: Is it Worth Your Time?
What Works in the Movie
While Big Octopus does not fully realize its potential, it still contains moments that may appeal to viewers who enjoy Science Fiction films.
- Interesting concept or premise
- Some entertaining scenes
- Supporting cast delivers occasional highlights
What Doesn't Work
Despite its strengths, Big Octopus has a few issues that may affect the overall viewing experience, particularly in terms of pacing and narrative consistency.
- Uneven pacing in certain parts of the film
- Some predictable plot developments
- May not appeal to audiences outside the Science Fiction fanbase
Story & Plot Summary: Big Octopus
Quick Plot Summary: Released in 2020, Big Octopus is a Science Fiction, Fantasy, Adventure, Action, Horror film directed by Frank Xiang. The narrative explores futuristic concepts and technological possibilities while examining humanity. It provides a scannable look at the movie's central conflict involving Liu Mu.
Ending Explained: Big Octopus
Big Octopus Ending Explained: A small shop owner catches a little mutant Octopus and accidentally becomes involved in a conspiracy involving genetic mutation experiments and a giant kaiju Octopus. Directed by Frank Xiang, this 2020 science fiction film stars Liu Mu, alongside Candice Zhao, Zhang Haocheng. Rated 3.8/10, the conclusion has sparked discussion among viewers.
What Happens at the End of Big Octopus?
A small shop owner catches a little mutant Octopus and accidentally becomes involved in a conspiracy involving genetic mutation experiments and a giant kaiju Octopus.
How Does Liu Mu's Story End?
- Liu Mu: Liu Mu's storyline wraps up in the final act, though some viewers have found the resolution more ambiguous than expected.
- Candice Zhao: Candice Zhao's role in the climax proves pivotal to how the central conflict resolves.
- Zhang Haocheng: Zhang Haocheng's character undergoes a significant shift in the final act.
What Does the Ending of Big Octopus Mean?
The ending of Big Octopus brings the narrative to a close, though viewer reception has been mixed. The resolution of Liu Mu's story may not satisfy all audiences.
Big Octopus Real vs. Reel: Is it Based on a True Story?
Is Big Octopus Based on a True Story?
No, Big Octopus is a work of fiction. While the science fiction, fantasy, adventure, action, horror film directed by Frank Xiang and starring Liu Mu may incorporate realistic themes, the characters and plot are original creations.
Who Should Watch Big Octopus?
Age Advisory: Rated Not Rated.
Consider Watching If:
- You're a completist for Science Fiction films
- You're curious despite mixed reviews
- You have low expectations and want casual entertainment
At just 86 minutes, it's a quick watch.
Where to Watch Big Octopus Online?
Streaming Hub📺 Stream on
VI movies and tvBig Octopus Parents Guide & Age Rating
2020 AdvisoryWondering about Big Octopus age rating or if it's safe for kids? Here is our cinematic advisory:
⏱️ Runtime & Duration
The total runtime of Big Octopus (2020) is 86 minutes (1h 26m). Directed by Frank Xiang, the film runs for 86 minutes in its complete theatrical version.
Verdict Summary
Analyzing the overall audience sentiment, verified rating of 3.8/10, and global performance metrics, Big Octopus is classified as a FLOP. It remains an essential part of the 2020 cinematic calendar.
Frequently Asked Questions
Is Big Octopus worth watching?
Big Octopus is definitely worth watching if you enjoy Science Fiction movies. It has a verified rating of 3.8/10 and stands as a FLOP in our box office analysis.
Where can I find Big Octopus parents guide and age rating?
The official parents guide for Big Octopus identifies it as Not Rated. Our detailed advisory section above covers all content warnings for families.
What is the runtime of Big Octopus (2020)?
The runtime of Big Octopus (2020) is 86 minutes (approximately 1h 26m).
movieMx Verified
This review has been verified for accuracy and editorial quality by our senior cinematic analysts.
This analysis is compiled by our editorial experts using multi-source verification and audience sentiment data for maximum accuracy.



