Watch A Media Agua for Free: How to Stream the Movie Online at 123Movies. . A Media Agua is a documentary filmed in 16mm, made up of a series of short films that review the history of the last century through the eyes of an Anglo-Uruguayan family and their perception of Uruguayan culture, World War II and technological advances of the time. Based on found and salvaged film reels, the team attempts to piece together the history of this fragmented family and its subsequent three generations, with the goal of understanding their beliefs and secrets as part of the Secret Service in South America.