A cohabitation of young men and women begin at Signal House where filled with rosy expectation of love and romance blooms. The “Predictors” with vast experiences in dating and love will detect potential lovers in the Signal House. The most exhilarating love game begins now.
You can now watch Heart Signal online on the following streaming providers in the United States.
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | Episode 1 | 2018-08-26 | 85 min |
| Season 1 | Episode 2 | Episode 2 | 2018-09-02 | 85 min |
| Season 1 | Episode 3 | Episode 3 | 2018-09-09 | 85 min |
| Season 1 | Episode 4 | Episode 4 | 2018-09-16 | 85 min |
| Season 1 | Episode 5 | Episode 5 | 2018-09-23 | 85 min |
| Season 1 | Episode 6 | Episode 6 | 2018-09-30 | 85 min |
| Season 1 | Episode 7 | Episode 7 | 2018-10-07 | 85 min |
| Season 1 | Episode 8 | Episode 8 | 2018-10-14 | 85 min |
| Season 1 | Episode 9 | Episode 9 | 2018-10-21 | 85 min |
| Season 1 | Episode 10 | Episode 10 | 2018-10-28 | 85 min |
| Season 2 | Episode 1 | Episode 1 | 2019-06-19 | 85 min |
| Season 2 | Episode 2 | Episode 2 | 2019-06-26 | 85 min |
| Season 2 | Episode 3 | Episode 3 | 2019-07-03 | 85 min |
| Season 2 | Episode 4 | Episode 4 | 2019-07-10 | 85 min |
| Season 2 | Episode 5 | Episode 5 | 2019-07-17 | 85 min |
| Season 2 | Episode 6 | Episode 6 | 2019-07-24 | 85 min |
| Season 2 | Episode 7 | Episode 7 | 2019-07-31 | 85 min |
| Season 2 | Episode 8 | Episode 8 | 2019-08-07 | 85 min |
| Season 2 | Episode 9 | Episode 9 | 2019-08-14 | 85 min |
| Season 2 | Episode 10 | Episode 10 | 2019-08-21 | 85 min |
| Season 3 | Episode 1 | Episode 1 | 2020-09-08 | 85 min |
| Season 3 | Episode 2 | Episode 2 | 2020-09-15 | 85 min |
| Season 3 | Episode 3 | Episode 3 | 2020-09-22 | 85 min |
| Season 3 | Episode 4 | Episode 4 | 2020-09-29 | 85 min |
| Season 3 | Episode 5 | Episode 5 | 2020-10-06 | 85 min |
| Season 3 | Episode 6 | Episode 6 | 2020-10-13 | 85 min |
| Season 3 | Episode 7 | Episode 7 | 2020-10-20 | 85 min |
| Season 3 | Episode 8 | Episode 8 | 2020-10-27 | 85 min |
| Season 3 | Episode 9 | Episode 9 | 2020-11-03 | 85 min |
| Season 3 | Episode 10 | Episode 10 | 2020-11-10 | 85 min |
| Season 4 | Episode 1 | Episode 1 | 2021-06-16 | 85 min |
| Season 4 | Episode 2 | Episode 2 | 2021-06-23 | 85 min |
| Season 4 | Episode 3 | Episode 3 | 2021-06-24 | 85 min |
| Season 4 | Episode 4 | Episode 4 | 2021-07-02 | 85 min |
| Season 4 | Episode 5 | Episode 5 | 2021-07-02 | 85 min |
| Season 4 | Episode 6 | Episode 6 | 2021-07-08 | 85 min |
| Season 4 | Episode 7 | Episode 7 | 2021-07-09 | 85 min |
| Season 4 | Episode 8 | Episode 8 | 2021-07-14 | 85 min |
| Season 4 | Episode 9 | Episode 9 | 2021-07-15 | 85 min |
| Season 4 | Episode 10 | Episode 10 | 2021-07-21 | 85 min |
| Season 4 | Episode 11 | Episode 11 | 2021-07-22 | 85 min |
| Season 4 | Episode 12 | Episode 12 | 2021-07-28 | 85 min |
| Season 4 | Episode 13 | Episode 13 | 2021-07-29 | 85 min |
| Season 4 | Episode 14 | Episode 14 | 2021-08-04 | 85 min |
| Season 4 | Episode 15 | Episode 15 | 2021-08-05 | 85 min |
| Season 4 | Episode 16 | Episode 16 | 2021-08-11 | 85 min |
| Season 4 | Episode 17 | Episode 17 | 2021-08-12 | 85 min |
| Season 4 | Episode 18 | Episode 18 | 2021-08-18 | 85 min |
| Season 4 | Episode 19 | Episode 19 | 2021-08-19 | 85 min |
| Season 4 | Episode 20 | Episode 20 | 2021-08-25 | 85 min |
| Season 5 | Episode 1 | Episode 1 | 2022-08-30 | 90 min |
| Season 5 | Episode 2 | Episode 2 | 2022-08-31 | 90 min |
| Season 5 | Episode 3 | Episode 3 | 2022-09-06 | 90 min |
| Season 5 | Episode 4 | Episode 4 | 2022-09-07 | 90 min |
| Season 5 | Episode 5 | Episode 5 | 2022-09-13 | 90 min |
| Season 5 | Episode 6 | Episode 6 | 2022-09-14 | 90 min |
| Season 5 | Episode 7 | Episode 7 | 2022-09-20 | 90 min |
| Season 5 | Episode 8 | Episode 8 | 2022-09-21 | 90 min |
| Season 5 | Episode 9 | Episode 9 | 2022-09-27 | 90 min |
| Season 5 | Episode 10 | Episode 10 | 2022-09-28 | 90 min |
| Season 5 | Episode 11 | Episode 11 | 2022-10-04 | 90 min |
| Season 5 | Episode 12 | Episode 12 | 2022-10-05 | 90 min |
| Season 5 | Episode 13 | Episode 13 | 2022-10-11 | 90 min |
| Season 5 | Episode 14 | Episode 14 | 2022-10-12 | 90 min |
| Season 5 | Episode 15 | Episode 15 | 2022-10-18 | 90 min |
| Season 5 | Episode 16 | Episode 16 | 2022-10-19 | 90 min |
| Season 5 | Episode 17 | Episode 17 | 2022-10-25 | 90 min |
| Season 5 | Episode 18 | Episode 18 | 2022-10-26 | 90 min |
| Season 5 | Episode 19 | Episode 19 | 2022-10-26 | 90 min |
| Season 5 | Episode 20 | Episode 20 | 2022-10-26 | 90 min |
| Season 6 | Episode 1 | Episode 1 | 2023-07-25 | 95 min |
| Season 6 | Episode 2 | Episode 2 | 2023-07-25 | 95 min |
| Season 6 | Episode 3 | Episode 3 | 2023-07-26 | 95 min |
| Season 6 | Episode 4 | Episode 4 | 2023-08-01 | 95 min |
| Season 6 | Episode 5 | Episode 5 | 2023-08-02 | 95 min |
| Season 6 | Episode 6 | Episode 6 | 2023-08-08 | 95 min |
| Season 6 | Episode 7 | Episode 7 | 2023-08-08 | 95 min |
| Season 6 | Episode 8 | Episode 8 | 2023-08-09 | 95 min |
| Season 6 | Episode 9 | Episode 9 | 2023-08-15 | 95 min |
| Season 6 | Episode 10 | Episode 10 | 2023-08-15 | 85 min |
| Season 6 | Episode 11 | Episode 11 | 2023-08-16 | 95 min |
| Season 6 | Episode 12 | Episode 12 | 2023-08-22 | 95 min |
| Season 6 | Episode 13 | Episode 13 | 2023-08-22 | 85 min |
| Season 6 | Episode 14 | Episode 14 | 2023-08-23 | 95 min |
| Season 6 | Episode 15 | Episode 15 | 2023-08-29 | 95 min |
| Season 6 | Episode 16 | Episode 16 | 2023-08-29 | 85 min |
| Season 6 | Episode 17 | Episode 17 | 2023-08-30 | 95 min |
| Season 6 | Episode 18 | Episode 18 | 2023-09-05 | 95 min |
| Season 6 | Episode 19 | Episode 19 | 2023-09-06 | 95 min |
| Season 6 | Episode 20 | Episode 20 | 2023-09-12 | 95 min |
| Season 6 | Episode 21 | Episode 21 | 2023-09-13 | 85 min |
| Season 6 | Episode 22 | Episode 22 | 2023-09-20 | 85 min |
| Season 6 | Episode 23 | Episode 23 | 2023-09-27 | 85 min |
| Season 6 | Episode 24 | Episode 24 | 2023-09-30 | 85 min |
| Season 6 | Episode 25 | Episode 25 | 2023-09-30 | 85 min |
| Season 7 | Episode 1 | Episode 1 Part 1 | 2024-09-02 | 85 min |
| Season 7 | Episode 2 | Episode 1 Part 2 | 2024-09-02 | 85 min |
| Season 7 | Episode 3 | Episode 1 Part 3 | 2024-09-03 | 85 min |
| Season 7 | Episode 4 | Episode 2 Part 1 | 2024-09-09 | 85 min |
| Season 7 | Episode 5 | Episode 2 Part 2 | 2024-09-10 | 85 min |
| Season 7 | Episode 6 | Episode 2 Part 3 | 2024-09-10 | 85 min |
| Season 7 | Episode 7 | Episode 3 Part 1 | 2024-09-16 | 85 min |
| Season 7 | Episode 8 | Episode 3 Part 2 | 2024-09-16 | 85 min |
| Season 7 | Episode 9 | Episode 3 Part 3 | 2024-09-17 | 85 min |
| Season 7 | Episode 10 | Episode 4 Part 1 | 2024-09-23 | 85 min |
| Season 7 | Episode 11 | Episode 4 Part 2 | 2024-09-24 | 85 min |
| Season 7 | Episode 12 | Episode 5 Part 1 | 2024-09-30 | 85 min |
| Season 7 | Episode 13 | Episode 5 Part 2 | 2024-10-01 | 85 min |
| Season 7 | Episode 14 | Episode 5 Part 3 | 2024-10-01 | 85 min |
| Season 7 | Episode 15 | Episode 6 Part 1 | 2024-10-07 | 85 min |
| Season 7 | Episode 16 | Episode 6 Part 2 | 2024-10-08 | 85 min |
| Season 7 | Episode 17 | Episode 7 Part 1 | 2024-10-14 | 85 min |
| Season 7 | Episode 18 | Episode 7 Part 2 | 2024-10-15 | 85 min |
| Season 7 | Episode 19 | Episode 8 Part 1 | 2024-10-21 | 85 min |
| Season 7 | Episode 20 | Episode 8 Part 2 | 2024-10-22 | 85 min |
| Season 7 | Episode 21 | Episode 9 Part 1 | 2024-10-28 | 85 min |
| Season 7 | Episode 22 | Episode 9 Part 2 | 2024-10-29 | 85 min |
| Season 7 | Episode 23 | Episode 10 Part 1 | 2024-11-04 | 85 min |
| Season 7 | Episode 24 | Episode 10 Part 2 | 2024-11-05 | 85 min |
| Production | Park Cheol-hwan | Producer |
| Writing | Shin Yeo-jin | Writer |
| Directing | Park Cheol-hwan | Director |
