9-1-1 Season 1, Episode 2 Let Go Drama Crime IMDB 8.2 Country United States Duration 43 min Air Date 2018-01-10 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 A night at an amusement park takes a deadly turn when a roller coaster malfunction leaves lives hanging in the balance. Abby reaches out to Buck; Athena and Hen respond to an unusual home invasion.