Itchicago Fire : Season 2 Episode 2: Prove

"Prove It," the second episode of Chicago Fire season two, aired on October 1, 2013, focusing on Lieutenant Severide's investigation into an arsonist targeting Firehouse 51 and personal tensions within the crew. The episode features the beginning of Mouch's union campaign, a tense confrontation between Severide and Renee Royce, and Casey managing his new responsibilities with the Darden boys. For more details, visit Fandom .