If you enjoy the film or just the chemistry between the characters, you might like this 3-episode spin-off of the variety show House on Wheels. It features the main cast of The Pirates: Goblin Flag and aired in September 2021. It's such a feel-good show, I highly recommend it!
tvN (CJ ENM) "House on Wheels" TV Series (South Korean variety show, Starring Sung Dong-il, Kim Hee-won, Yeo Jin-goo, Im Si-wan and Gong Myung) Special spin-off, starring the cast of the upcoming film “The Pirates: Goblin Flag."