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Isabel Diaz is the paternal grandmother to Eddie Diaz. She lives in Los Angeles for the majority of the show, but it is revealed in "Hero Complex" that she moved (back, presumably) to El Paso sometime between the season 4 finale and the events of the episode. In the early weeks of Eddie moving to LA, she is the primary caretaker of Eddie's son Christopher, but after breaking her hip, Eddie, with the help of Buck, finds a permanent caretaker for him.

Appearances[]

Season Two
"Under Pressure" "7.1" "Help Is Not Coming" "Stuck" "Awful People" "Dosed"
"Haunted" "Buck, Actually" "Hen Begins" "Merry Ex-Mas" "New Beginnings" "Chimney Begins"
"Fight or Flight" "Broken" "Ocean's 9-1-1" "Bobby Begins Again" "Careful What You Wish For" "This Life We Choose"
Season Three
"Kids Today" "Sink or Swim" "The Searchers" "Triggers" "Rage" "Monsters"
"Athena Begins" "Malfunction" "Fallout" "Christmas Spirit" "Seize the Day" "Fools"
"Pinned" "The Taking of Dispatch 9-1-1" "Eddie Begins" "The One That Got Away" "Powerless" "What's Next?"
Season Four
"The New Abnormal" "Alone Together" "Future Tense" "9-1-1, What's Your Grievance?" "Buck Begins"
"Jinx" "There Goes the Neighborhood" "Breaking Point" "Blindsided" "Parenthood"
"First Responders" "Treasure Hunt" "Suspicion" "Survivors"
Season Five
"Panic" "Desperate Times" "Desperate Measures" "Home and Away" "Peer Pressure" "Brawl in Cell Block 9-1-1"
"Ghost Stories" "Defend in Place" "Past is Prologue" "Wrapped in Red" "Outside Looking In" "Boston"
"Fear-O-Phobia" "Dumb Luck" "FOMO" "May Day" "Hero Complex" "Starting Over"
Season Seven
"Abandon ‘Ships" "Rock the Boat" "Capsized" "Buck, Bothered and Bewildered" "You Don't Know Me"
"There Goes the Groom" "Ghost of a Second Chance" "Step Nine" "Ashes, Ashes" "All Fall Down"

References[]

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