Long-established Trade Secret
Overview
A gourmet exploration entertainment show that finds the old store and delves into the special trade secrets that allowed it to survive for a long time.
Details
| Status: | Returning Series |
|---|---|
| First Air Date: | 2021-08-23 |
| Last Air Date: | 2024-05-27 |
| Networks: | tvN |
| Production: | TVING |