How did Hen become a firefighter?
That was revealed on 9-1-1 Season 2 Episode 9 as we took a trip to the past to find out how she met Chimney and Athena, and how it shaped who she is today.
Meanwhile, Buck learned some more about how Abby had moved on from him, and had to make a decision about his own future.
Also, Maddie considered her options after realizing she needed a change in her life.
Use the video above to watch 9-1-1 online right here via TV Fanatic.
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Paul Dailly is the Associate Editor for TV Fanatic. Follow him on Twitter.