How to watch
One Chicago Franchise Watch Order in the correct order
How to watch the One Chicago franchise (Chicago Fire, PD, Med) in order
Last updated: July 13 2026
Written by: ChronoBob
The One Chicago franchise follows firefighters, police officers, and doctors in the Windy City across three interconnected series that frequently cross over with one another. This guide explains the best watch order and how to handle the all-important crossover events.
Dick Wolf's Chicago universe launched with Chicago Fire in 2012 and quickly expanded into a full television empire. Chicago PD spun off from Fire in 2014, followed by Chicago Med in 2015, and briefly Chicago Justice in 2017. Each series tells compelling standalone stories, but the franchise really shines during its multipart crossover events — spectacular episodes that jump between all three shows and require watching in the right sequence. Whether you're a new viewer or catching up on missed seasons, this guide will help you get the most out of One Chicago.
🕐 Release Order
Release order is crucial for One Chicago, particularly when you hit crossover episodes — these multi-episode events require you to watch Chicago Fire, PD, and Med episodes on the same night in airdate order.
- Chicago Fire (2012–present)
- Chicago PD (2014–present) — spun off from Chicago Fire
- Chicago Med (2015–present) — spun off from Chicago Fire and PD
- Chicago Justice (2017) — short-lived legal spinoff, one season
If you are watching during a season with a crossover event, follow the original air dates — the three shows are designed to be watched in the order they aired that week.
📖 Story Chronology
Story chronology matches release order. Chicago Fire is the true foundation — it introduces the universe and spins off both PD and Med. Characters frequently appear across shows, so watching all three in parallel by original airdate keeps every storyline in sync.
- Chicago Fire Season 1–2 (2012–2014) — establishes the universe, introduces PD characters
- Chicago Fire Season 2 / Chicago PD Season 1 (2014) — PD launches mid-Fire season
- Chicago Fire Season 4 / Chicago PD Season 3 / Chicago Med Season 1 (2015–2016) — Med joins
- Chicago Fire / PD / Med / Justice crossovers (2016–2017) — peak crossover era
- Chicago Fire / PD / Med (2018–present) — ongoing, with annual crossover events
Which Order Should You Choose?
Start with Chicago Fire — it is the origin of the entire franchise and the best entry point into the One Chicago universe. Once you reach the point where PD and Med begin (around Fire Season 2 and Season 4 respectively), add those shows to your rotation and follow the original airdates when a crossover episode occurs. Chicago Justice was cancelled after one season and can be safely skipped, though it does feature appearances from PD characters. For the full crossover experience, use an online guide to identify which episodes are part of each crossover event.
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