Sesong 1 av Resident Alien hadde premiere 27 Januar 2021.

Sesong 2 av Resident Alien hadde premiere 26 Januar 2022.

Sesong 3 av Resident Alien hadde premiere 13 Februar 2024.

In Season 3, Harry is vowing to work with General McCallister to rid the Earth of the Grey aliens – a task made more difficult when he discovers that the Grey Hybrid Joseph has taken a job in town as the new Deputy. Joseph isn’t Harry’s only obstacle – Harry struggles to balance business and his personal life when he falls in love for the first time.