When did Chicago Fire Season 3 Episode 21 air?
Chicago Fire Season 3 Episode 21 aired on April 28, 2015 at 10 PM ET.


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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 is running the other way and whose actions make the difference between life and death.

An apartment fire connected to a case of rape and attempted murder resembles an unsolved case in New York, so Sgt. Benson of Special Victims Unit comes to Chicago to help Intelligence with the investigation. The crossover continues on Chicago P.D. S02E20 The Number of Rats (II) and Law & Order: Special Victims Unit S16E20 Daydream Believer (III).
Direct answers for episode-level questions and details.
Chicago Fire Season 3 Episode 21 aired on April 28, 2015 at 10 PM ET.
This episode runs for approximately 42 minutes.
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