This time-slip drama centers around Bong Pil and his five friends who travel between the past and present through a manhole in order to stop a wedding scheduled a week later.
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | Episode 1 | 2017-08-09 | 60 min |
| Season 1 | Episode 2 | Episode 2 | 2017-08-10 | 60 min |
| Season 1 | Episode 3 | Episode 3 | 2017-08-16 | 60 min |
| Season 1 | Episode 4 | Episode 4 | 2017-08-17 | 60 min |
| Season 1 | Episode 5 | Episode 5 | 2017-08-23 | 60 min |
| Season 1 | Episode 6 | Episode 6 | 2017-08-24 | 60 min |
| Season 1 | Episode 7 | Episode 7 | 2017-08-30 | 60 min |
| Season 1 | Episode 8 | Episode 8 | 2017-08-31 | 60 min |
| Season 1 | Episode 9 | Episode 9 | 2017-09-06 | 60 min |
| Season 1 | Episode 10 | Episode 10 | 2017-09-07 | 60 min |
| Season 1 | Episode 11 | Episode 11 | 2017-09-13 | 60 min |
| Season 1 | Episode 12 | Episode 12 | 2017-09-14 | 60 min |
| Season 1 | Episode 13 | Episode 13 | 2017-09-20 | 60 min |
| Season 1 | Episode 14 | Episode 14 | 2017-09-21 | 60 min |
| Season 1 | Episode 15 | Episode 15 | 2017-09-27 | 60 min |
| Season 1 | Episode 16 | Episode 16 | 2017-09-28 | 60 min |
| Directing | Yoo Young-eun | Director |
| Directing | Park Man Young | Director |
| Writing | Lee Jae-gon | Screenplay |
