1 Season
12 Episode
Circle - Season 1 Episode 5 The Blue Bird (2017)
In part 1, After Woo Jin shows Jeong Yeon the photo of them together ten years ago, she gets confused about who she is. In part 2, Beom Gyun meets Jeong Yeon who had become Bluebird. Meanwhile, Ho Soo starts having nosebleed as he slowly recovers his memories.
- Country : South Korea
- Genre : Mystery, Sci-Fi & Fantasy
- Studio : tvN
- Director : Sang-yeon Park, Min Jin-gi
- Cast : Yeo Jin-goo, Kim Kang-woo, Gong Seung-yeon, Lee Gi-kwang, Kwon Hyuk-soo, An Woo-yeon
