As humans turn into savage monsters and the world plunges into terror, a handful of survivors fight for their lives — and to hold on to their humanity.
Is this the best episode?
The peak run. Top 40% of seasons by average rating — consecutive, with an average of 7.36.
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Song Kang
Cha Hyun-su
Lee Jin-uk
Pyeon Sang-wook
Lee Si-young
Seo Yi-kyung
Jung Jinyoung
Park Chan-young
Lee Do-hyun
Lee Eun-hyeok
Go Min-si
Lee Eun-yu
Yu Oh-seong
Tak In-hwan
Oh Jung-se
Dr. Lim
Kim Moo-yul
Kim Yeong-hoo
Kim Si-a
Seo I-su
All 26 episodes plotted by IMDb rating
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10 episodes • 2020Avg: 7.4Golden Era
| # | Episode | Air Date | Rating |
|---|---|---|---|
| 1 | Episode 1 | Dec 18, 2020 | 7.1 |
| 2 | Episode 2 | Dec 18, 2020 | 7.2 |
| 3 | Episode 3 | Dec 18, 2020 | 7.3 |
| 4 | Episode 4 | Dec 18, 2020 | 7.2 |
| 5 | Episode 5 | Dec 18, 2020 | 7.3 |
| 6 | Episode 6 | Dec 18, 2020 | 7.2 |
| 7 | Episode 7 | Dec 18, 2020 | 7.4 |
| 8 | Episode 8 | Dec 18, 2020 | 7.8 |
| 9 | Episode 9 | Dec 18, 2020 | 7.7 |
| 10 | Episode 10 | Dec 18, 2020 | 7.4 |
8 episodes • 2023Avg: 6.6Valley of Despair
| # | Episode | Air Date | Rating |
|---|---|---|---|
| 1 | Episode 1 | Dec 1, 2023 | 6.7 |
| 2 | Episode 2 | Dec 1, 2023 | 6.9 |
| 3 | Episode 3 | Dec 1, 2023 | 6.7 |
| 4 | Episode 4 | Dec 1, 2023 | 6.2 |
| 5 | Episode 5 | Dec 1, 2023 | 6.2 |
| 6 | Episode 6 | Dec 1, 2023 | 6.4 |
| 7 | Episode 7 | Dec 1, 2023 | 6.6 |
| 8 | Episode 8 | Dec 1, 2023 | 6.8 |
8 episodes • 2024Avg: 6.9
| # | Episode | Air Date | Rating |
|---|---|---|---|
| 1 | Episode 1 | Jul 19, 2024 | 6.6 |
| 2 | Episode 2 | Jul 19, 2024 | 6.9 |
| 3 | Episode 3 | Jul 19, 2024 | 7.0 |
| 4 | Episode 4 | Jul 19, 2024 | 7.3 |
| 5 | Episode 5 | Jul 19, 2024 | 7.1 |
| 6 | Episode 6 | Jul 19, 2024 | 6.9 |
| 7 | Episode 7 | Jul 19, 2024 | 6.9 |
| 8 | Episode 8 | Jul 19, 2024 | 6.6 |
