P1Harmony is on the 1theK Hard Training Team after making a comeback with new song “Scared”! If you want to know what kind of classes they took to become professional idol singers, you have to watch this reality show.
| Season | From | To | Episodes |
|---|---|---|---|
| All Seasons | |||
| Specials | 0 | ||
| Season 1 | April 2021 | 4 | |
| Unassigned Episodes | 0 |
| Season | From | To | Episodes |
|---|---|---|---|
| Unassigned Episodes | 4 |
| Season | From | To | Episodes |
|---|---|---|---|
| Season 1 | 0 | ||
| Unassigned Episodes | 4 |
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