"Grandpas Over Flowers: Season 1" is a South Korean reality travel show that premiered in 2013. The series features four elderly men, including Lee Soon-jae, Shin Gu, Park Geun-hyung, and Baek Il-seob, who embark on a journey to various international destinations. They are accompanied by a younger celebrity, Lee Seo-jin, who acts as their guide and caretaker. Throughout the season, the grandpas experience different cultures, engage in various activities, and share their life stories. The show highlights the humor and wisdom of the elderly while showcasing the beauty of travel and friendship, making it both entertaining and heartwarming.