Season 1
🎬 16 Episodes 📅 2020 ⏱ 72 min Ended ✅
A contemporary Korean emperor crosses the threshold between worlds only to discover that the barrier separating parallel realities was deliberately shattered. The King: Eternal Monarch weaves together two destinies—his crown and her badge—as they race to seal doors that should never have opened. Through spectral corridors and quantum-fractured cities, what begins as duty transforms into something far more intimate: a fight not just to save kingdoms, but to preserve the one person who makes survival worth the cost.
📊 Season Stats
16
Episodes
2020
Year
72
min / ep
19.2
Watch Hours
1/1
Season No.
⭐ 9.8
Best Episode
Ep. 12 · Episode 12
Ended ✅
Status
🎬 Season Trailer
Watch Trailer
🎬 Episodes 16 episodes
1
⭐ 8.9
Episode 1
Lee Gon mourns the tragic death of his father. Lee Lim goes on the run — and finds escape when he comes across a door to a parallel universe.
2
⭐ 8.5
Episode 2
Gon insists he is an emperor from another world. An incredulous Jeong Tae-eul takes him to the police station, where he sees a familiar face.
3
⭐ 7.8
Episode 3
Though Tae-eul finds Gon's story difficult to believe, some things about him are completely inexplicable. At work, she gets busy with a murder case.
4
⭐ 9.5
Episode 4
When Tae-eul loses her police badge, she can't help but think about Gon. Meanwhile, Kang Sin-jae has had it with his mother's bad habits.
5
⭐ 8.8
Episode 5
Being introduced to Gon's world is a lot to process for Tae-eul, who's taken to the palace. A disgruntled Jo Yeong keeps an eye on her.
6
⭐ 8.7
Episode 6
A potential military conflict threatens the kingdom. Gon promises Tae-eul he will return to her, and steps forward to take care of the situation.
7
⭐ 7.6
Episode 7
Gon brings Yeong along on his trip back to Tae-eul. He has a favor to ask of her, while she's found something troubling to share with him.
8
Episode 8
In Corea, Luna is set free. In Korea, Gon and Yeong run into a man who recognizes them, and Sin-jae experiences childhood flashbacks.
9
Episode 9
Gon draws closer to tracking down Lim, and asks Jo Eun-sup to trade places with Yeong. Mail from an unknown sender bothers Koo Seo-ryeong.
10
Episode 10
On Lunar New Year, Gon and Lim come face-to-face in a public standoff. Tae-eul opens up to Sin-jae about the other world and her ongoing case.
11
Episode 11
A compelling offer finds its way to Luna. Gon's investigation into a devastating murder leads him to an old traitor and a clearer idea of Lim's schemes.
12
⭐ 9.8
Episode 12
Frightening circumstances land Tae-eul back in Gon's arms. When Yeong runs into a woman who looks strikingly familiar, he follows her.
13
Episode 13
Knowing Seo-ryeong is up to no good, Gon throws her in a tight spot. Upon returning to her world, Tae-eul realizes Luna is there, too.
14
Episode 14
Gon and Tae-eul are separated when he sets out to fulfill what's been his fate all along. Sin-jae makes a startling discovery.
15
Episode 15
Lim plots his next meeting with Gon. Understanding there's only one thing he can do to right wrongs, Gon comes to a heart-wrenching decision.
16
Episode 16
A final attempt to put a stop to Lim's ambitions comes with profound consequences. Gon travels far and wide in search of Tae-eul.