Two different feature versions of this serial were released theatrically in 1935. See Lost City, The (1935/II) and Lost City, The (1935/III). One of the feature versions was condensed from the entire serial, the other was condensed from just chapters 1-4 with some added wrap up scenes tacked on. A few years later, yet another feature version of this serial was released theatrically, titled City of Lost Men (1940).