You can officially stream or purchase the first season through several platforms: Watch Generator Rex | Season 1 Episode 1 - HBO Max Watch Generator Rex | Season 1 Episode 1 | HBO Max.

: The series opens with 15-year-old Rex helping the government organization Providence by subduing and curing a giant, multi-headed EVO terrorizing New York City.

: Frustrated by his lack of freedom, Rex sneaks out with his friend Bobo Haha, a talking chimp, and meets a teenager named Noah Nixon . This brief moment of normalcy is interrupted when Providence agents arrive to retrieve him.