The original version of "古宅老友記" is a British TV show called "Ghosts." It premiered in 2019 on BBC One. The show follows the story of a couple who unexpectedly inherit a country mansion that is haunted by ghosts from different time periods. The Chinese title "古宅老友記" translates to "Old Mansion Friends," which captures the essence of the original show. The ghosts in the mansion are portrayed as "friends" and the show combines elements of comedy and heartwarming stories. The show has gained popularity in China, with a second season being released in 2020.