The BAU investigates if bullying may be the link between two students who are the sole survivors after both of their families are killed.
When the COVID-19 pandemic hits Seattle, the Station 19 crew leans on each other for support, on the season premiere.
The NCIS team boards a ship but is forced to hide after discovering terrorists are onboard.
NCIS investigates the apparent suicide of a retired Navy officer who was in Palmer and Knight's grief group; Torres gets a call from NCIS Special Agent Jane Tennant to come to Hawaii.
SEASON FINALE - When control of a university chemistry lab is seized, the S.W.A.T. team races to thwart a devastating terror attack.