
9-1-1
Season 4 of 9-1-1 (2021) is set against the backdrop of the COVID-19 pandemic, though the show incorporates it as a "new normal" (masks, social distancing, and vaccines) rather than making it the sole focus. This season is known for its high emotional stakes and the long-awaited payoff of several character arcs.
The Hollywood Reservoir dam breaks. The team adjusts to life during the pandemic.
Guest Stars:
Nikki DeLoach, Annie Chang, Charlie Bodin, Oliver Vaquer, Ty Parker
In the aftermath of the dam break, massive mudslides wreak havoc throughout Los Angeles.
Guest Stars:
Lilli Birdsell, Raquel Dominguez, Garrett Coffey, Shane Coffey, Jaylen Barron
The 118 race to save a man under siege by his high-tech smart home, and a yoga teacher who has lost her vision. Athena hunts down a bank robber disguised by Covid protocols. Meanwhile, Buck confides in Maddie, Hen clashes with her antagonizing medical school lab partner and members of the 118's crew prep for an out-of-state mission.
Guest Stars:
Athena investigates a mysterious murder during a neighborhood block party and the 118 rush to save lives endangered by a bomb threat. Meanwhile, Chimney has a hard time keeping secrets when Maddie and Buck's parents come to town.
Guest Stars:
Connor Trinneer, Danny Nucci, Chris Wu, Bryan Safi, Dee Wallace
The 118 race to save the lives of workers trapped in a five-alarm factory fire. Meanwhile, Maddie reveals a painful family secret that causes Buck to confront his childhood and answer why he is the daredevil he is today.
Guest Stars:
Ronobir Lahiri, Colin McCalla, Dee Wallace, Gregory Harrison, Samba Schutte
The 118 believes their fabled firehouse superstition has come true when they have the day from hell with a never-ending series of bizarre emergency calls - Athena is in hot pursuit of a 118 firetruck; a man who duct-taped himself to freeway billboard, a garage full of fireworks and a restaurant manager destroying his own business. Meanwhile, Eddie feels a spark with Christopher's former teacher, but admits to Bobby he may not be ready to move on in his personal life just yet.
The 118 rush to save a man pinned under a Humvee, and a garage band that rocks out too hard. Enlisting Bobby and Athena's help, Michael installs a new "rear window," and turns into an amateur detective after noticing strange behavior at a nearby apartment. Meanwhile, Hen's mother unexpectedly arrives and announces she is moving to LA, and Buck's re-entry into the dating pool ends in disaster.
The 118 are called to the tarmac when a flight attendant reaches her limit with her flight's passengers. Athena discovers that quarantine has pushed a couple to their breaking point. Meanwhile, Eddie worries Christopher will not accept him dating, Buck reconnects with an old flame and finds himself in the middle of Albert's new relationship and Maddie and Chimney make a big decision about their baby.
Athena and the 118 race to save lives after a drunk driver causes a deadly pile-up on the freeway. Meanwhile, Maddie goes into labor and Hen and Karen are devastated as they prepare their foster daughter, Nia, to be reunited with her birth mother.
Guest Stars:
Susan Song, Ashwin Gore, Andi Chapman, Juliana Dever, Tracie Thoms
The 118 responds to a series of calls dealing with parents and their children, including a disastrous birthday party thrown by a mommy blogger. Meanwhile, Athena and Michael talk to May about her past suicide attempt, Chimney and Maddie adjust to life with their newborn, and Hen and Karen are emotionally shattered as their foster daughter, Nia, is reunited with her birth mother.
The members of the 118 rush to the site of a hit-and-run that leaves a familiar face in critical condition. Meanwhile, with Buck's help, Athena investigates the case of a missing woman last seen in a casino and Josh recalls an emergency in 2006 that led him to become a 9-1-1 operator.
Guest Stars:
When a famous mystery writer dies, Athena, Bobby and the 118 respond to the chaos caused by a city-wide manhunt for buried treasure the author left behind.
Guest Stars:
Danny Nucci, Ashwin Gore, Bryan Safi, Megan West, Chiquita Fuller
The members of the 118 make calls to save a bridezilla at a disastrous wedding and to a mother trapped on her balcony. Meanwhile, Hen plays medical detective when her mother, Toni, falls ill. Also, Eddie and Christopher receive a visit from Carla, Athena uncovers a secret Bobby has been hiding that puts their marriage on the rocks and Maddie struggles with adjusting to motherhood.
Sara Amini, Bryan Lillis, Alexis Krause, Scotch Ellis Loring, Andi Chapman
Guest Stars:
Jonathan Patrick Moore, Kamyar Jahan, Anthony M. Bertram, Shane Blades, Robert Miano
Guest Stars:
Tracie Thoms, La Monde Byrd, Marsha Warfield, Margot Catherine Terry, Declan Pratt
Guest Stars:
Justin James Farley, Andi Chapman, Tracie Thoms, Margot Catherine Terry, Thomas Daniel Smith
Guest Stars:
Freda Foh Shen, Susan Song, Andi Chapman, Tracie Thoms, Marsha Warfield
Brian Thompson, Sasha Roiz, Michelle Bernard, Ashwin Gore, Chris Wu
Guest Stars:
Zuleyka Silver, Vanessa Marano, Sara Canning, Sarah Dumont, Gia Carides

18 Episodes