"What's Your Grievance?" (Season 4, Episode 4), airing February 8, 2021, centers on the 118 team managing bizarre, high-tension emergencies stemming from neighborly disputes, including a house explosion, a "dead" body, and a leaf-blower altercation. The episode explores themes of post-quarantine irritability, balancing action-heavy rescues with character development for Athena, Buck, and a pregnant Maddie.