Oct. 17, 2017 - PRLog -- CBS's Madam Secretary Films at Wartburg Mount Vernon, N.Y. - Wartburg, a premier senior care and housing provider in Mount Vernon, New York, was the backdrop during a filming of Season 4 of CBS's hit series, Madam Secretary . The episodes featured various sites throughout Wartburg's historic 34-acre campus and will air on Sunday, October 22 and 29 at 10 p.m. EST.