Karen is an American sitcom that aired on ABC beginning in January 1975. A mid-season replacement, Karen was designed as a starring vehicle for actress Karen Valentine. The show was canceled after four months due to low ratings.
Karen Angelo is an ambitious, enthusiastic worker for Open America, a liberal citizen's lobby in Washington, D.C. Karen is assisted in finding (and uncovering) corrupt managers by Dale Busch, the cantankerous founder of Open America (played by Denver Pyle in the pilot episode, Charles Lane would later play the role).