9-1-1 Season 3, Episode 4 Triggers Drama Crime IMDB 8.23 Country United States Duration 43 min Air Date 2019-10-14 Actors Peter Krause (Bobby Nash) Angela Bassett (Athena Grant) Oliver Stark (Evan Buckley) Kenneth Choi (Howard Han) Aisha Hinds (Henrietta Wilson) Jennifer Love Hewitt (Maddie Buckley) Corinne Massiah (May Grant) Gavin McHugh (Christopher Diaz) Ryan Guzman (Eddie Diaz) Overview The team races to save workers in a high-rise during a fire drill, car accident victims, and siblings fighting over a family heirloom. Buck gives Bobby surprising news. Eddie helps Christopher deal with the trauma caused by the tsunami.