9-1-1 Season 4, Episode 5 Buck Begins Drama Crime IMDB 8.2 Country United States Duration 43 min Air Date 2021-02-15 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 118 race to save the lives of workers trapped in a five-alarm factory fire. Meanwhile, Maddie reveals a painful family secret that causes Buck to confront his childhood and answer why he is the daredevil he is today.