"Grandpas Over Flowers" is a South Korean reality television series that features a group of elderly men embarking on a travel adventure. The show highlights the experiences of these senior citizens as they explore various destinations, showcasing their interactions and the challenges they face while traveling. The series is known for its heartwarming moments and humor, as the grandfathers navigate new environments with the help of younger cast members, including Lee Seo-jin. The program emphasizes themes of friendship, resilience, and the joy of discovering new places, making it popular among viewers of all ages.