Chicago Fire 9x04 "Funny What Things Remind Us" Season 9 Episode 4 Promo trailer HD - While completing a task assigned by headquarters, Boden makes an unforeseen connection; Gallo is forced to make a surprise rescue of one of their own when the firehouse is called to the site of a construction explosion; Mouch reignites an old feud.
Starring: Taylor Kinney, Jesse Spencer, Eamonn Walker