A dating reality show about eight strangers, 4 men and 4 women, living together in the Signal House.
You can now watch Heart Signal online on the following streaming providers in the United States.
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | The Six Residents | 2017-06-02 | 95 min |
| Season 1 | Episode 2 | Do Their Qualities Make Your Heart Beat Faster? | 2017-06-09 | 95 min |
| Season 1 | Episode 3 | Clueless Guy, Friendly Girl, and the Reason They Can't Date | 2017-06-16 | 95 min |
| Season 1 | Episode 4 | After the Date | 2017-06-23 | 95 min |
| Season 1 | Episode 5 | Push and Pull, and the Start | 2017-07-01 | 95 min |
| Season 1 | Episode 6 | Bluff or Truth - What's at the Bottom of the Guys' Hearts? | 2017-07-07 | 95 min |
| Season 1 | Episode 7 | The Girls' Secret | 2017-07-21 | 95 min |
| Season 1 | Episode 8 | Change Makes Us Grow | 2017-07-28 | 95 min |
| Season 1 | Episode 9 | Triangle | 2017-08-04 | 95 min |
| Season 1 | Episode 10 | The World You Live In | 2017-08-11 | 95 min |
| Season 1 | Episode 11 | For a Happy Ending | 2017-08-18 | 95 min |
| Season 1 | Episode 12 | Eight Heart Signals | 2017-08-25 | 95 min |
| Season 2 | Episode 1 | The Six Residents | 2018-03-16 | 95 min |
| Season 2 | Episode 2 | The Man in the Mysterious Room | 2018-03-23 | 95 min |
| Season 2 | Episode 3 | The Christmas Gift | 2018-03-30 | 95 min |
| Season 2 | Episode 4 | The Christmas Date | 2018-04-06 | 95 min |
| Season 2 | Episode 5 | Two Hearts | 2018-04-13 | 95 min |
| Season 2 | Episode 6 | The Last Resident | 2018-04-20 | 95 min |
| Season 2 | Episode 7 | The Girls' Secret Date | 2018-05-04 | 95 min |
| Season 2 | Episode 8 | Someone Who Understands Me | 2018-05-11 | 95 min |
| Season 2 | Episode 9 | The Girls' Secret Date: Part 2 | 2018-05-18 | 95 min |
| Season 2 | Episode 10 | Double Date | 2018-05-25 | 95 min |
| Season 2 | Episode 11 | Two Weeks Left | 2018-06-01 | 95 min |
| Season 2 | Episode 12 | The Last Date: Our Winter Trip | 2018-06-08 | 95 min |
| Season 2 | Episode 13 | The Signal Your Heart Sends Out | 2018-06-15 | 95 min |
| Season 3 | Episode 1 | The Six Residents | 2020-03-25 | 95 min |
| Season 3 | Episode 2 | Occupation Disclosure | 2020-04-01 | 95 min |
| Season 3 | Episode 3 | Midwinter Cosmos | 2020-04-08 | 95 min |
| Season 3 | Episode 4 | First Date | 2020-04-22 | 95 min |
| Season 3 | Episode 5 | Goodbye First Love | 2020-04-29 | 95 min |
| Season 3 | Episode 6 | Lion's Move-in | 2020-05-06 | 95 min |
| Season 3 | Episode 7 | Lion Effect | 2020-05-13 | 95 min |
| Season 3 | Episode 8 | Welcome "Puppy" | 2020-05-20 | 95 min |
| Season 3 | Episode 9 | Women's Date | 2020-05-27 | 95 min |
| Season 3 | Episode 10 | Hidden Emotions | 2020-06-03 | 95 min |
| Season 3 | Episode 11 | Apply For a Secret Date | 2020-06-10 | 95 min |
| Season 3 | Episode 12 | The Wind Blows | 2020-06-17 | 95 min |
| Season 3 | Episode 13 | Before the Storm Comes | 2020-06-24 | 95 min |
| Season 3 | Episode 14 | I Don't Want to Regret | 2020-07-01 | 95 min |
| Season 3 | Episode 15 | Confession Day, Last Choice | 2020-07-08 | 95 min |
| Season 3 | Episode 16 | Special - Recent Interview & Unreleased Video | 2020-07-15 | 95 min |
| Season 4 | Episode 1 | Heart Signal is Back | 2023-05-17 | 95 min |
| Season 4 | Episode 2 | Grocery Shopping | 2023-05-24 | 95 min |
| Season 4 | Episode 3 | For You, Without Your Knowing | 2023-06-02 | 95 min |
| Season 4 | Episode 4 | The First Date | 2023-06-09 | 95 min |
| Season 4 | Episode 5 | A Face-to-Face Talk | 2023-06-16 | 95 min |
| Season 4 | Episode 6 | A New Occupant | 2023-06-23 | 95 min |
| Season 4 | Episode 7 | Truth or Dare | 2023-06-30 | 95 min |
| Season 4 | Episode 8 | The Long-Awaited Dates | 2023-07-07 | 95 min |
| Season 4 | Episode 9 | Complicated Feelings | 2023-07-14 | 95 min |
| Season 4 | Episode 10 | Wrong Time | 2023-07-21 | 95 min |
| Season 4 | Episode 11 | The True Feelings | 2023-07-28 | 95 min |
| Season 4 | Episode 12 | The Last Trip | 2023-08-04 | 95 min |
| Season 4 | Episode 13 | The Second Date in Yeosu | 2023-08-11 | 95 min |
| Season 4 | Episode 14 | The Last Chance | 2023-08-18 | 95 min |
| Season 4 | Episode 15 | The Final Decisions | 2023-08-25 | 95 min |
| Season 4 | Episode 16 | After Signal | 2023-09-01 | 95 min |
