Resident Alien

Synopsis

Crash-landed alien Harry takes on the identity of a small-town Colorado doctor. Arriving with a secret mission, he starts off living a simple life…but things get a bit rocky when he’s roped into solving a local murder and realizes he needs to assimilate into his new world. As he does, he begins to wrestle with the moral dilemma of his mission and asking the big life questions like: “Are human beings worth saving?” and “Why do they fold their pizza before eating it?”

First Air Date: 2021-01-27

Last Air Date: 2025-08-08

Number of Seasons: 4

Number of Episodes: 44

Created By: Chris Sheridan

Networks: USA Network, Syfy

View Technical Specifications on IMDb

Top Cast

Alan Tudyk as Harry Vanderspeigle
Sara Tomko as Asta Twelvetrees
Corey Reynolds as Mike Thompson
Alice Wetterlund as D'Arcy Bloom
Levi Fiehler as Ben Hawthorne
Elizabeth Bowen as Liv Baker
Meredith Garretson as Kate Hawthorne
Judah Prehn as Max Hawthorne
Gary Farmer as Dan Twelvetrees
Jenna Lamia as Judy Cooper

Seasons

Season 1 (2021) - (10 Episodes)

Season 2 (2022) - (16 Episodes)

Season 3 (2024) - (8 Episodes)

Season 4 (2025) - (10 Episodes)

Season 1 (2021)

A small-town doctor hides his extraterrestrial identity — and his secret mission — while looking for his lost ship and trying to blend in.

Episodes:

Ep. 1: Pilot (2021-01-27)

Stranded in the town of Patience, Colorado, an alien inhabits the body of Dr. Harry Venderspeigle — but one resident can see past his façade.
Ep. 2: Homesick (2021-02-03)

In his first week at the clinic, Harry struggles to diagnose a strange feeling: human emotion.
Ep. 3: Secrets (2021-02-10)

Harry races to keep his secret safe as Asta is forced to face her own past.
Ep. 4: Birds of a Feather (2021-02-17)

Harry travels to the Ute Reservation to help Asta's grandmother, and along the way, learns what it means to belong to a community.
Ep. 5: Love Language (2021-02-24)

A surprise visitor gives Harry an introduction to marriage, a stressful human institution he needs to familiarize himself with.
Ep. 6: Sexy Beast (2021-03-03)

Harry copes with jealousy when the mayor hires an annoyingly perfect new town doctor.
Ep. 7: The Green Glow (2021-03-10)

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.
Ep. 8: End of the World as We Know It (2021-03-17)

Asta saves a badly injured Harry after they fall into a glacial crevasse — and in the process learns a shocking secret.
Ep. 9: Welcome Aliens (2021-03-24)

To repair his planet-killing device, Harry visits an alien convention to harvest implants from UFO abductees. Mike asks Liv to rejoin the department.
Ep. 10: Heroes of Patience (2021-03-31)

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