The Flight Attendant is an American dark comedy drama mystery thriller television series developed by Steve Yockey based on the 2018 novel of the same name by Chris Bohjalian.

When she wakes up in a hotel room in Bangkok with a hangover from the night before, she discovers the dead body of a passenger on her last flight lying next to her with his throat slashed.

Afraid to call the police, she cleans up the crime scene, then joins the other airline crew traveling to the airport.

In New York City, she is met by Federal Bureau of Investigation (FBI) agents who question her about the layover in Bangkok.

She has been sober for a year, is a regular member of Alcoholics Anonymous, and has relocated to Los Angeles, where she has a new boyfriend, Marco.

She is haunted by the images of her doppelgänger and tries to figure out who is impersonating her, while suffering hallucinations once again, this time of the past versions of herself who try to persuade her to revert to who she once was.

[18] In October, Michiel Huisman, Colin Woodell, Rosie Perez, and Zosia Mamet joined the cast of the series.

The website's critics consensus reads, "Kaley Cuoco shines as a hot mess in The Flight Attendant, an addictively intriguing slice of stylish pulp that will bring mystery aficionados to Cloud Nine.

[45] Reviewing the series for Rolling Stone, Alan Sepinwall gave it 3.5 out of 5 stars and said, "Cuoco is sharp and likable throughout, two necessary ingredients for playing a character who makes a scene wherever she goes.

The website's critics consensus states, "While there's some turbulence as The Flight Attendant charters a new course, passengers are in safe hands with Kaley Cuoco's zestful turn and the writers' knack for satisfying twists.

[47] According to TVLine, The Flight Attendant became the HBO Max's biggest debut of all time, until it was surpassed by Gossip Girl reboot in 2021.