Back to the Past

About Back to the Past

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.

Back to the Past is a 2025 comedy science fiction film directed by Jack Lai Jan-Lung and Ng Yuen-Fai. Released in December 2025, it runs 107 minutes.

Louis Koo appears as Hong Siu-lung, Raymond Lam Fung as Chiu Poon, Bai Baihe as Galie, and Jessica Hsuan Huen as Wu Ting-fong. Written by Lily He. It was produced by Big Honor Entertainment, China Star Movie Limited, and Huace Media. It is adapted from a novel.

Shelv files it under blunt, action comedy, historical comedy, and warring states period.

Harry Potter and the Prisoner of Azkaban, Edge of Tomorrow, and The Social Network make useful companions to Back to the Past, all filed under time travel.