Zeitgeist: Addendum, a 2008 documentary film produced by Peter Joseph, is a continuation of the film Zeitgeist, the Movie.

The film discusses the Federal Reserve System in the United States, the CIA, corporate America, other government and financial institutions, and religion, concluding that they are all corrupt institutions detrimental to humanity and are in need of replacement. The film proposes The Venus Project as a possible solution.

According to director Peter Joseph, the film "attempts to locate the root causes of this pervasive social corruption, while offering a solution". In its conclusion, Addendum stresses the need for belief systems to embrace the ideas of emergence and interdependence. He outlines concrete steps that can be taken to weaken the monetary system.^[3] The film suggests actions for "social transformation", which include boycotts of the large banks that make up the Federal Reserve System, the mainstream media, the military, and energy companies. It is also suggested that people reject the political structure.

Zeitgeist: Addendum premiered at the 5th Annual Artivist Film Festival in Los Angeles, California on October 2, 2008, and was released free online on October 4, 2008.