Set in the same gritty universe as "Dragnet" and "Adam-12," this groundbreaking medical drama from executive producer Jack Webb centered on a heroic group of L.A. paramedics, firefighters, and emergency room workers who often risked their own lives in order to save others. The series, which ran from 1972-1977 on NBC, starred Randolph Mantooth, Kevin Tighe, Robert Fuller, Julie London, Bobby Troup. 124 episodes and 7 TV movies on 32 discs. 110 2/3 hrs. Standard; Soundtrack: English Dolby Digital mono; Subtitles: English (SDH); bonus "Adam-12" episode.