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The Worst Episodes of Signal

Every episode of Signal ranked from worst to best. Explore the Worst Episodes of Signal!

Best episode
S1E8 How Are You Alive?
8.4230 votes
Top season
Season 1
7.9avg
Binge time
19h 13m
16 episodes

Seasons2

Episode Rankings

  1. #1 Worst Episode
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    Signal Season 1 Episode 5 - Changing the Past Alters the Present
    7.3/10(232 votes)
    S1:E5

    Hae-young starts to investigate Jae-han's disappearance. Jae-han's former colleagues get suspicious about seeing Hae-young digging into the past.

    Director:Kim Won-suk
    Writer:Unknown

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  2. Signal Season 1 Episode 16 - If You Don't Give Up
    7.5/10(231 votes)
    S1:E16

    Hae-young is in critical condition after being shot while meeting with Sung-bum. In 2000, Jae-han has been captured by Bum-joo.

    Director:Kim Won-suk
    Writer:Unknown

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  3. Signal Season 1 Episode 7 - We Must Dig Deeper
    7.5/10(214 votes)
    S1:E7

    Jae-han arrests Se-kyu for the serial burglary case, but the culprit is freed after serving a short sentence; Kyung-tae still commits murder.

    Director:Kim Won-suk
    Writer:Unknown

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  4. Signal Season 1 Episode 6 - Catch Him by All Means
    7.7/10(226 votes)
    S1:E6

    Seeking vengeance for the events that lead to the death of his daughter, Kyung-tae commits a kidnapping after getting out of prison for burglary.

    Director:Kim Won-suk
    Writer:Unknown

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  5. Signal Season 1 Episode 11 - The One Last Case
    7.7/10(208 votes)
    S1:E11

    Hae-young and Soo-hyun arrest Jin-woo after coming to the conclusion that he is the killer. Hae-young asks Jae-han about the Inju rape case.

    Director:Kim Won-suk
    Writer:Unknown

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  6. Signal Season 1 Episode 14 - Not Now, but Maybe in the Past
    7.9/10(200 votes)
    S1:E14

    Hae-young realizes the possibility that his brother could have been murdered after learning from Hye-seung that Sun-woo was not guilty.

    Director:Kim Won-suk
    Writer:Unknown

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  8. Signal Season 1 Episode 9 - Hongwon-dong Case
    7.9/10(216 votes)
    S1:E9

    Hae-young learns that Chi-soo and Jae-han met in 1999 during a case in Inju. After serving time for the crime, Hae-young's brother had killed himself.

    Director:Kim Won-suk
    Writer:Unknown

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  9. Signal Season 1 Episode 3 - We Can Prevent the Killings
    7.9/10(257 votes)
    S1:E3

    Reality changes after Hae-young exchanges information with Jae-han. Hae-young tries to work together with Jae-han in 1989 to prevent the next murder.

    Director:Kim Won-suk
    Writer:Unknown

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  10. Signal Season 1 Episode 2 - We Still Have a Chance
    7.9/10(283 votes)
    S1:E2

    The statute of limitations is lifted after the suspect's arrest. Hae-young joins Soo-hyun's team for the newly established cold case squad.

    Director:Kim Won-suk
    Writer:Unknown

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  11. Signal Season 1 Episode 1 - You're Doomed
    7.9/10(341 votes)
    S1:E1

    Profiler Park Hae-young hears a man calling his name through a discarded two-way radio. The voice starts talking about an unsolved crime.

    Director:Kim Won-suk
    Writer:Unknown

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  12. Signal Season 1 Episode 15 - Is It Really You?
    8.1/10(206 votes)
    S1:E15

    Hae-young is arrested for the murder of Chi-soo. Soo-hyun hears Jae-han apologizing over the radio for not being able to prevent Sun-woo's death.

    Director:Kim Won-suk
    Writer:Unknown

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  13. Signal Season 1 Episode 12 - The Case Was Manipulated
    8.1/10(207 votes)
    S1:E12

    Hae-young becomes a suspect for the murder of Chi-soo. Jae-han realizes who the principle offender of the attack on Hye-seung is.

    Director:Kim Won-suk
    Writer:Unknown

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  14. Signal Season 1 Episode 13 - The Real Assailant
    8.1/10(211 votes)
    S1:E13

    Soo-hyun and the others mourn after confirming that the remains belong to Jae-han. Hae-young learns that Jae-han used to look after him in the past.

    Director:Kim Won-suk
    Writer:Unknown

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  15. Signal Season 1 Episode 10 - Someone Has to Stop the Bad Guys
    8.1/10(214 votes)
    S1:E10

    The bodies discovered in the mountains appear to be more victims of the 1997 serial murder case. Jae-han learns that Soo-hyun became team leader.

    Director:Kim Won-suk
    Writer:Unknown

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  16. Signal Season 1 Episode 4 - We Found the Killer
    8.2/10(271 votes)
    S1:E4

    The ninth victim is Won-kyung, the woman Jae-han loves. A driver turns himself in, but Soo-hyun and Jae-han determine that his son is the real killer.

    Director:Kim Won-suk
    Writer:Unknown

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  17. Signal Season 1 Episode 8 - How Are You Alive?
    8.4/10(230 votes)
    S1:E8

    Soo-hyun and Hae-young notice a connection between the burglary case and Da-hye, the woman who killed herself twenty years ago.

    Director:Kim Won-suk
    Writer:Unknown

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Worst Episodes Summary

"Changing the Past Alters the Present" is the worst rated episode of Signal. It scored 7.3/10 from 232 votes. Directed by Kim Won-suk and written by Unknown, it aired on February 5, 2016. This episode scored 0.2 points lower than the second lowest rated, "If You Don't Give Up".

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