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

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

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

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

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

An alien crash lands on Earth and must pass himself off as small-town human doctor Harry Vanderspeigle.

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

Harry and Asta team up with an unlikely ally to try to save the Earth.

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

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

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

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

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

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.

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

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

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

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

Halloween comes to Patience as Harry sheds his human mask.

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

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

Harry has an unexpected partner as he attempts to infiltrate a military base in search of his alien baby.

Harry comes face to face with his greatest enemy and makes a big decision that may affect Earth forever.