9-1-1 Season 4, Episode 12 Treasure Hunt Drama Crime IMDB 8.2 Country United States Duration 43 min Air Date 2021-05-10 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 When a famous mystery writer dies, Athena, Bobby and the 118 respond to the chaos caused by a city-wide manhunt for buried treasure the author left behind.