Exclusive Chicago Fire Video: Watch the Ultimate Season 2 Refresher

A pregnancy! A proposal! A jaw-dropping and — literally — explosive cliff-hanger that has left fans on the edge of their seats all summer! And that only covers the last few episodes of Chicago Fire's second season.

Suffice it to say, the hit NBC drama's sophomore year was eventful from beginning to end. In addition to many fiery rescues, there was no shortage of family drama, work conflicts and, most importantly, romance. But will fans be able to remember exactly where things left off for everyone in Firehouse 51 after four long months off the job? Have no fear! NBC has assembled a handy Season 2 recap video to get you up to speed, and TVGuide.com has your exclusive first look below.

Scoop on Chicago Fire and more returning fall shows

Before Season 3 reveals whether Dawson (Monica Raymund) will accept Casey's (Jesse Spencer) proposal and just who won't make it out of the warehouse explosion alive, look back on Season 2 one more time:

Chicago Fire returns Tuesday, Sept. 23 at 10/9c on NBC.