"Christmas Spirit" is the tenth episode of the third season of , and the thirty-eighth episode overall. It aired on December 2, 2019.
The 118 responds to holiday-themed incidents, including a shopper pushed over the edge, a woman who is literally having a "Blue Christmas" and a luggage handler accident on a tarmac. Meanwhile,
Maddie revisits her past to embrace her future and Bobby receives shocking news.
Bobby's medical problems that had become a concern to the team and his family that sprung up after the fire in
Fallout was cleared as of this episode. Michael tells Bobby at the end of the episode that he has been diagnosed with a brain tumor.
A deleted scene and subplot shows what Maddie did with the asset money.
 Lorna's emergency of her turning blue from the toothache medicine was based on a real-life incident of a woman turning blue from the same situation.
 The catering cart losing control at the airport was also based off a real-life incident that happened in Chicago in October 2019. 
Christopher Wants To Spend Christmas With Buck Season 3 Ep. 10 9-1-1
Maddie Continues Therapy Season 3 Ep. 10 9-1-1
Michael Accidentally Crashes At Athena's Place Season 3 Ep. 10 9-1-1