TV show availability guide

Twelve Letters

In a small town, twelve mysterious letters and a 35-year wait intertwine to shape the lives and loves of a close-knit group of friends. Yu Nian and Shen Cheng’s world is thrown into turmoil when their parents vanish, followed by cryptic messages arriving from another time. Driven to uncover the truth, they plunge into a complex puzzle, navigating dual timelines and unraveling the secrets hidden within the letters that could explain their disappearance.

2025 9.4/10 community score 1 season · 12 episodes Ended
  • Drama
  • Mystery
  • Sci-Fi & Fantasy

Viewing market

Country-level availability

Where to watch in United States

2 platforms currently listed across all viewing options

Data checked 2 Nov 2026, 18:04 UTC

Included with subscription

1
  • Streaming providerWeTVNo linked platform guide yetDetails unavailable

Free with ads

1
  • Streaming providerRakuten VikiNo linked platform guide yetDetails unavailable

Series schedule

Seasons and episode dates

A concise series timeline, including the latest aired episode and the next date currently listed.

View TV calendar
First aired
Seasons
1
Episodes
12
Status
Ended

Latest aired episode

S1 E12

Twelve Letters

Aired 48 min

Next listed episode

No upcoming episode date is currently listed.

Season guide

Most recent seasons first

2 season entries
  • Season 1

    12 episodes

    First episode aired

  • Specials

    1 episode

    First episode aired

About these dates: Air dates describe the series schedule and may change. They do not confirm that an episode is available on the same date from the providers listed above.

Reader conversation

Community discussion

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