Business leaders, educators, and government leaders agree that, in order for the United States to retain its standing as a world leader, public and private institutions need to work together to develop a well-qualified workforce in science, technology, engineering, and mathematics (STEM). However, the number of graduates with STEM degrees has not been equal to the need, partly because many students arrive at college unprepared to handle math and science. The National Science Foundation (NSF) has funded many programs to enable public media producers, including public television (TV) stations, to provide children's STEM programming in out-of-school time (OST) settings. Educational TV programs offer children the opportunity to experience the same content across multiple contexts--home, camp, school--increasing the likelihood that they will experience a transfer of learning from one situation to the next. This paper explores the lessons learned from seven such programs and their NSF-funded outreach initiatives.