Chicago Trilogy Crossover Event Promo – Chicago Fire, Chicago PD, Chicago Med

Prepare for an unprecedented two-night crossover event of all three Chicago teams. In the face of crisis they’ll unearth a mystery that leads to one dangerous twist after another. Three shows, two nights, one Chicago – starting January 5th on NBC. Official website: https://www.nbc.com/chicago-fire/ Official Twitter page: https://twitter.com/NBCChicagoFire Official Facebook page: https://www.facebook.com/NBCChicagoFire Chicago Fire 4×10 Promo/Preview Chicago Fire Season 4 Episode 10 Promo Chicago Fire 4×10 Promo (HD)