SPOILER ALERT: This story contains spoilers for the Season 9 finale of ABC's "9-1-1," titled "Hearts and Flowers." "9-1-1" ended its ninth season Thursday with two big changes heading into Season 10: Athena (Angela Bassett) is finally becoming a detective - and Buck (Oliver Stark) might become a father. In the final moments of the "9-1-1" [...]