Long-established Trade Secret (2021)

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.

• First Air Date: 2021-08-23
• Last Air Date: 2024-05-27
• Total Seasons: 3
• Total Episodes: 85
• Episode Runtime: 61 min.
• Network: tvN
• Director: 이예림