# Someday or One Day (2019–2020) — Celluloid TV fact sheet

Source: https://celluloidscore.com/shows/someday-or-one-day/
Last reviewed: 2026-07-23

| Field | Value |
|-------|-------|
| Celluloid Score | 88% |
| Critic Score | 88% |
| Audience Score | 94% |
| Metascore | 75/100 |
| IMDb | 8.9/10 |
| Fan Score | 92% |
| Creator | Huang Hsiu-chuan |
| Platform | Viki |
| Genres | Romance, Drama, Sci-Fi |
| Seasons | 1 (13 episodes) |
| Language | Mandarin |
| Country | Taiwan |

## Quick answer

Someday or One Day (2019–2020) is a Romance, Drama, Sci-Fi series created by Huang Hsiu-chuan, streaming on Viki. It holds a 88% Celluloid Score — Recommended — averaged from critic reviews (88%), audience ratings (94%), Metascore (75/100), IMDb (8.9/10), and fan ratings (92%) across 1 season.

## Critics consensus

Taiwan's time-travel heartbreaker — Alice Ko and Greg Hsu's chemistry and a puzzle-box script earned critics' praise for emotional precision even when the sci-fi mechanics strained credulity.

## Synopsis

In 2019, a woman mourning her lost love receives a cassette player that transports her consciousness into 1998 — where she inhabits the body of a teenager and meets the boy who will become the man she lost. Huang Hsiu-chuan's time-travel romance mystery became a pan-Asian obsession.

## Cast

Alice Ko, Greg Hsu, Patrick Shih, Liu Guan-yu

## Critic reviews on Celluloid: 1

## Common questions

**Is Someday or One Day worth watching?**
Someday or One Day holds a 88% Celluloid Score. It comes recommended overall. Taiwan's time-travel heartbreaker — Alice Ko and Greg Hsu's chemistry and a puzzle-box script earned critics' praise for emotional precision even when the sci-fi mechanics strained credulity.

**Where can I stream Someday or One Day?**
Someday or One Day streams on Viki. It ran for 1 season (2019–2020).

**Who created Someday or One Day?**
Someday or One Day was created by Huang Hsiu-chuan.

**What is the Celluloid Score of Someday or One Day?**
88% — the average of five public sources: critics 88%, audience 94%, Metascore 75/100, IMDb 8.9/10, and fan score 92%.

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Reviewed and scored by Celluloid · Editor: Kaiser Khan (https://celluloidscore.com/author/kaiser-khan/)

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