The series follows Charlie Morningstar, the princess of Hell, on her quest to find a way for sinners to be "rehabilitated" and allowed into Heaven. The first season premiered on Amazon Prime Video on January 19, 2024. The popularity and success of the pilot allowed Medrano to create a spin-off series called Helluva Boss, which premiered on October 31, 2020.
The series follows Charlie Morningstar, the princess of Hell, as she sets about opening a hotel called the "Hazbin Hotel" The hotel aims to rehabilitate sinner demons and accept them into Heaven.