Resident Alien Season 3 Release Date 2024. Resident alien season 3 will be landing in 2024, with the exact release date to be confirmed. New resident alien season 3 episodes will premiere every wednesday from february 14 to april 3, 2024.

Harry and asta team up with an unlikely ally to try to save the earth. An alien crashes on earth and assumes the identity of a town doctor, but soon finds his mission threatened by a boy who can see his true alien.