Catch up TV on Chicago Fire. Watch the latest and all other episodes of Chicago Fire now online, broadcasted on Seven. Catch up on your favorite Seven TV show: Chicago Fire. Replay tv on its best! An edge-of-your-seat view into the lives of everyday heroes committed to one of America’s noblest professions. For the firefighters, rescue squad and paramedics of Chicago Firehouse 51, no occupation is more stressful or dangerous, yet so rewarding and exhilarating. These courageous men and women are among the elite who forge headfirst into danger when everyone else isrunning the other way and whose actions make the difference between life and death.