S5, EP4 "100% or Nothing"
Diane returns to help with Crisis One intervention training for Station 19 and Station 23 firefighters; Andy and Sullivan continue to be at odds; Jack helps a young autistic man on a city bus.
S5, EP3 "Too Darn Hot"
When a heat wave hits Seattle, Station 19 becomes a cooling center; Andy deals with regret and finds a friend in Theo; Joey comes face to face with his past during a ride-along with Ben and Jack.
S5, EP2 "Can't Feel My Face"
Andy and Sullivan's relationship continues to be tested; Emmett joins Dean and Vic on a mental health call; Maya does some soul searching.
S5, EP1 "Phoenix From the Flame"
Relationships are challenged at Station 19 following Sullivan's actions at Maya and Carina's wedding, putting his marriage with Andy to the test; Dean comes to terms with his feelings for Vic; Travis rekindles an old flame.