Blue Birthday (2021): cast, story & where to watch
2021 · Series · ★ 5.7
Released in 2021, Blue Birthday is a sci-fi & fantasy, drama and mystery series.
What it’s about. The series tells the story of Oh Ha-rin, who travels to the past through mysterious photos left by her first love, Ji Seo-jun. Since they were eight years old, they had been close friends, but he died by suicide on her birthday ten years ago.
Who’s in it. Blue Birthday stars YERI as Oh Ha-rin, Yang Hong-seok as Ji Seo-jun, Lee Sang-jun as Cha Eun-seong and Kim Gyeol-yu as Do Su-jin, among others.
How it landed. With an audience score of 5.7/10, Blue Birthday has drawn a solid, mixed-to-positive response.
Where to watch. In US you can stream it on Rakuten Viki. See the full, country-by-country breakdown on our where to watch Blue Birthday page.
If you liked it. Fans of Blue Birthday tend to enjoy Rick and Morty, Demon Slayer: Kimetsu no Yaiba, Attack on Titan and Attack on Titan: No Regrets.
Frequently asked
- Where can I watch Blue Birthday (2021)?
- In US, Blue Birthday is available to stream on Rakuten Viki. Availability varies by country — check our where-to-watch page for every region.
- Is Blue Birthday worth watching?
- Blue Birthday holds an audience score of 5.7 out of 10, and is a strong pick if you enjoy sci-fi & fantasy, drama and mystery. Reactions are mixed, so it may depend on taste.
- Who stars in Blue Birthday?
- Blue Birthday stars YERI, Yang Hong-seok, Lee Sang-jun, Kim Gyeol-yu and Ju Hyeon.
- When was Blue Birthday released?
- Blue Birthday was released in 2021.