Hell on Wheels tells the epic story of post-Civil War America, focusing on Cullen Bohannon, a Confederate soldier who sets out to exact revenge on the Union soldiers who killed his wife. His journey takes him west to Hell on Wheels, a dangerous, raucous, lawless melting pot of a town that travels with and services the construction of the first transcontinental railroad, an engineering feat unprecedented for its time.Source: TMDb
The first season of Hell on Wheels was released in 2011.
Currently there are 5 Seasons of Hell on Wheels. The 5th and to date the last season of Hell on Wheels was released in 2015.