Review these key vocabulary words from Signal (Sigeuneol / 시그널) before watching to familiarize yourself with important terms and phrases. This preparation will help you follow the dialogue more easily and enjoy the film without interruptions. After watching, revisit this list to reinforce your learning and solidify new vocabulary in context.
| # | Title | Date |
|---|---|---|
| S1E1 | You're Doomed | 2016-01-22 |
| S1E2 | We Still Have a Chance | 2016-01-23 |
| S1E3 | We Can Prevent the Killings | 2016-01-29 |
| S1E4 | We Found the Killer | 2016-01-30 |
| S1E5 | Changing the Past Alters the Present | 2016-02-05 |
| S1E6 | Catch Him by All Means | 2016-02-06 |
| S1E7 | We Must Dig Deeper | 2016-02-12 |
| S1E8 | How Are You Alive? | 2016-02-13 |
| S1E9 | Hongwon Dong Case | 2016-02-19 |
| S1E10 | Someone Has to Stop the Bad Guys | 2016-02-20 |
| S1E11 | The One Last Case | 2016-02-26 |
| S1E12 | The Case Was Manipulated | 2016-02-27 |
| S1E13 | The Real Assailant | 2016-03-04 |
| S1E14 | Not Now, But Maybe in the Past | 2016-03-05 |
| S1E15 | Is It Really You? | 2016-03-11 |
| S1E16 | If You Don't Give Up | 2016-03-12 |