This document describes the journey of flexible endoscopy at the Department of Surgery of Dhaka Medical College & Hospital in Bangladesh. It discusses the history of endoscopy and lists mentors who supported the development of their endoscopy suite. The suite is described along with equipment. The document focuses on their experience with colonoscopy, providing details on patient preparation, sedation used, and their single-handed painless technique without air insufflation. Outcomes of their first 720 colonoscopy cases are presented along with therapeutic procedures performed. Their efforts to train residents and conduct workshops on laparoscopic and endoscopic skills are also summarized.