The easiest way to watch the entire television series "Tour of Duty" is to order the DVD collection of all seasons of the series. Another legal way of watching the entire series is finding a television station or digital television service that offers reruns.
The complete box set of "Tour of Duty", the first ever television series on the Vietnam war, can be order from many online vendors such as Amazon.com. The show ran for three seasons and has a total of 58 episodes, all of which last approximately an hour. The show is also still regularly broadcast in its entirety on television channels and services that specialize in reruns, which can be found on the "Tour of Duty" page of TV.com.