“To save tomorrow, they must survive yesterday.”
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Back to the Past (2025) – Official Trailer, Cast & Details
Back to the Past at a Glance
Back to the Past is a 2025 science fiction, action and comedy film directed by Ng Yuen-Fai and Jack Lai Jan-Lung, featuring Louis Koo, Raymond Lam Fung and Bai Baihe. It is 1 hour 47 minutes long and premiered on December 31, 2025. Back to the Past has a TMDB rating of 6.0 out of 10 based on 30 votes.
Watch the official Back to the Past trailer for free in 123Movies below.
1080p HD • Free YouTube Stream
Storyline & Synopsis
In the Qin Dynasty, time-traveller Hong Siu-lung has lived in seclusion with his family for twenty years. Yet every step he takes remains under the watchful eye of his former disciple, now the Qin Emperor. On the brink of ultimate power after conquering the six warring states, the emperor is suddenly ambushed by a mysterious team wielding advanced weapons clearly originating from Hong’s time. Drawn together by fate again, Hong and Qin Emperor are forced to confront the long-buried conflict between them, because the future now depends on how they settle their past.
Where “Back to the Past” Fits in the 123Movies Catalog
Frequently Asked Questions About Back to the Past
When was Back to the Past released?
Back to the Past was released on December 31, 2025.
What is the runtime of Back to the Past?
Back to the Past has a runtime of 1 hour 47 minutes (107 minutes).
Who stars in Back to the Past?
Back to the Past stars Louis Koo as Hong Siu-lung, Raymond Lam Fung as Chiu Poon / Majesty, Bai Baihe as Galie and Jessica Hsuan Huen as Wu Ting-fong. The cast also includes Sonija Kwok Sin-Nae, Joyce Tang Lai-Ming, Michael Miu Kiu-Wai and Louis Cheung.
Who directed Back to the Past?
Back to the Past was directed by Ng Yuen-Fai and Jack Lai Jan-Lung. The screenplay is credited to Lily He.
What genre is Back to the Past?
Back to the Past is listed on TMDB as a mix of science fiction, action and comedy.
What is the TMDB score of Back to the Past?
On TMDB it has an average user score of 6.0/10 from 30 votes.
Where can I watch the trailer for Back to the Past for free?
You can watch the official trailer for Back to the Past, "Trailer (UK, Ireland & Netherlands) [Subtitled]", for free on this 123Movies page. It is embedded from YouTube.
What movies are similar to Back to the Past?
Movies TMDB recommends alongside Back to the Past include Alita: Battle Angel (2019), In Time (2011), Stargate: Continuum (2008), The Heroic Trio (1993) and Real Men (1987).
Can I stream the full movie of Back to the Past on 123Movies?
No. 123Movies only shows official trailers and title information. Full movies are not hosted or linked on this site.
Alita: Battle Angel
In Time
Stargate: Continuum
The Heroic Trio
Real Men
Green Lantern: First Flight
The Postman
Under the Hood
Stewie Griffin: The Untold Story
Jumper
Dark Star
