When does Resident Alien return?

Resident Alien is an American science fiction comedy-drama television series. It stars Alan Tudyk in the title role as an extraterrestrial who crash-lands on Earth with the intent to destroy the planet but develops a moral dilemma. In July 2025, it was confirmed that the fourth season would be its last.
An alien sent to wipe out humanity kills and takes on the identity of a vacationing physician. He is asked to do an autopsy on the town's doctor, who has died in unknown circumstances. He develops compassion for humanity over time and ends up having to defend them from other extraterrestrial threats.