Harry and Asta get surprise visits. Ben grows suspicious of Mike and Liv's private investigation.

Harry hits rock bottom. Kate begins seeing the truth. Mike helps Liv face her greatest fear.

Asta and D'arcy take a drastic step in an attempt to get Harry back on track.

Harry gets distracted from his mission, while Mike and Liv make a huge discovery.

Harry tags along on Ben, Kate and Max's family trip, hoping the mayor will lead him to answers.

D'arcy inserts herself into Harry's mission, while Kate grows more uncomfortable in her own home.

In an attempt to gather information on the Grey Aliens, Harry puts Asta in harm's way.

Harry has an unexpected partner as he tries to infiltrate a military base to find his alien baby.

Harry goes head-to-head with one of his biggest enemies.

After losing the alien baby, Harry learns which alien race is on Earth and it's not what he expected.

Halloween comes to Patience, and Harry sheds his human mask.

Asta tells Dan about the shooting; Harry learns what it takes to be a good friend.

Asta helps Harry learn how to deal with his newfound fear of death.

Asta is overwhelmed with guilt after she, Harry, and D'arcy get rid of the dead body.

It's a surprise party as everyone gathers to celebrate Harry, but some dangerous guests cause havoc.

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

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

Harry and Asta's trip is interrupted by an uninvited relative as the town celebrates family.

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

Harry meets a woman unlike any other and realizes that she is the key to his new mission.

Harry has a plan to save Asta and himself but first he must attend the Sheriff's poker game.

Harry, the alien, is back on Earth but doesn't remember who he is and only Asta can keep him safe.

On the verge of completing his mission, Harry faces his own humanity.

Harry and Asta attend an alien convention.

Harry must rely on Asta and D'arcy for survival.

Fearing he's facing failure, Harry enlists an unlikely ally to help find his ship.

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

An unexpected visitor teaches Harry about the human convention of marriage, which is another cultural barrier Harry must familiarize himself with to blend in with people of Earth.<br /> 

Harry travels to the Ute Reservation to help Asta's grandmother; he learns what it means to belong.

Harry tries to keep his secret; Asta faces her past.

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

An alien crashes on Earth and hides in a remote Colorado mountain town; after assuming the identity of the town doctor, his nefarious mission is threatened when he realizes one of the townspeople, a 9-year-old boy, can see his true alien form.