Dengue infection can take on many different forms, ranging from no symptoms to a mild fever, all the way to a severe condition known as dengue shock syndrome. Although the typical symptoms of dengue are well known, the virus can also cause rare neurological complications. Dengue encephalitis is a severe form of neuroinvasive dengue that can be fatal as the virus directly affects the central nervous system. This case series provides a comprehensive overview of dengue, its clinical spectrum, and the potential for severe neurological complications such as dengue encephalitis. It highlights the importance of considering dengue as a possible diagnosis in patients with encephalitis, particularly during a dengue epidemic.