In October 2018, Maddow launched the podcast Bag Man, produced with MSNBC and focusing on the 1973 political scandal surrounding Vice President Spiro Agnew.[74] A film adaptation of the podcast was announced to be in production in 2022, with Ben Stiller attached to direct and Lorne Michaels to produce, with Maddow set to be an executive producer.[58]
In October 2022, Maddow and MSNBC launched Ultra, a podcast series chronicling U.S. right-wing extremism during the 1940s and World War II, including the 1944 sedition trial.[75][76] A few months later, in December, famed filmmaker Steven Spielberg's company optioned film rights to the series.[77]
