In his first week at the clinic, Harry struggles to diagnose a strange feeling: human emotion.

Harry races to keep his secret safe as Asta is forced to face her own past.

Harry travels to the Ute Reservation to help Asta's grandmother, and along the way, learns what it means to belong to a community.

Harry copes with jealousy when the mayor hires an annoyingly perfect new town doctor.

After he makes a mess of his human life, a depressed Harry gets drunk. Liv quits the force when Mike fails to credit her for solving a crime.

Asta saves a badly injured Harry after they fall into a glacial crevasse — and in the process learns a shocking secret.

To repair his planet-killing device, Harry visits an alien convention to harvest implants from UFO abductees. Mike asks Liv to rejoin the department.

Brokenhearted when Asta ends their friendship after discovering the real Harry’s fate, the alien decides to fulfill his original mission.

Is Harry building another bomb? Asta is going to find out as they go camping on the reservation.

Harry and Asta travel to New York looking for one of his people, but things go horribly wrong.

Harry and Asta find what they are looking for but not what they need as danger closes in.