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11 Chicago Fire, Med, and PD characters making their One Chicago crossover debut this month
As One Chicago prepares for its first crossover event in five years, nearly a dozen characters make their debut for it!
Exclusive: One Chicago bosses promise crossover will offer something different and 'a little new'
The first One Chicago crossover since 2019 will air on NBC on January 29. 2025 – and showrunners have promised something "a ...