The BEST episodes of Resident Alien
Every episode of Resident Alien ever, ranked from best to worst by thousands of votes from fans of the show. The best episodes of Resident Alien!
A crash-landed alien named Harry takes on the identity of a small-town Colorado doctor and slowly begins to wrestle with the moral dilemma of his secret mission on Earth.
#1 - Sexy Beast
Season 1 - Episode 6 - Aired 3/3/2021
Harry copes with jealousy when the mayor hires an annoyingly perfect new town doctor.
#2 - Girls' Night
Season 2 - Episode 3 - Aired 2/9/2022
Harry meets a woman unlike any other and realizes that she is the key to his new mission.
#3 - Cat and Mouse
Season 2 - Episode 14 - Aired 9/14/2022
Harry goes head-to-head with one of his biggest enemies.
#4 - The End Is Here
Season 4 - Episode 10 - Aired 8/8/2025
Harry faces one final threat, and one that forces him to use more than just his alien strength.
#5 - Best of Enemies
Season 2 - Episode 15 - Aired 9/21/2022
Harry has an unexpected partner as he tries to infiltrate a military base to find his alien baby.
#6 - I Believe in Aliens
Season 2 - Episode 16 - Aired 9/28/2022
Harry comes face to face with his greatest enemy and makes a choice that may affect Earth forever.
#7 - Lone Wolf
Season 3 - Episode 1 - Aired 2/14/2024
In an attempt to gather information on the Grey Aliens, Harry puts Asta in harm’s way.
#8 - The Upper Hand
Season 3 - Episode 2 - Aired 2/21/2024
D’Arcy inserts herself into Harry’s mission, while Kate grows more uncomfortable in her own home.
#9 - 141 Seconds
Season 3 - Episode 3 - Aired 2/28/2024
Harry tags along on Ben, Kate and Max’s family trip, hoping the mayor will lead him to answers.
#10 - Avian Flu
Season 3 - Episode 4 - Aired 3/6/2024
Harry gets distracted from his mission, while Mike and Liv make a huge discovery.
#11 - Lovebird
Season 3 - Episode 5 - Aired 3/13/2024
Asta and D’Arcy take a drastic step in an attempt to get Harry back on track.
#12 - Bye Bye Birdie
Season 3 - Episode 6 - Aired 3/20/2024
Harry hits rock bottom, Kate begins seeing the truth, and Mike helps Liv face her greatest fear.
#13 - Here Comes My Baby
Season 3 - Episode 7 - Aired 3/27/2024
Harry and Asta get surprise visits. Ben grows suspicious of Mike and Liv’s private investigation.
#14 - Homecoming
Season 3 - Episode 8 - Aired 4/3/2024
Harry and Asta team up with an unlikely ally to try to save the Earth.
#15 - The Lonely Man
Season 4 - Episode 2 - Aired 6/13/2025
Harry and Asta work together to try and get something Harry desperately needs.
#16 - Prisoners
Season 4 - Episode 1 - Aired 6/6/2025
Harry must escape an outer space prison to stop a dangerous threat in town.
#17 - Truth Hurts
Season 4 - Episode 4 - Aired 6/27/2025
Harry and Heather reunite, but their relationship is more complicated than ever.
#18 - Ties That Bind
Season 4 - Episode 3 - Aired 6/20/2025
Harry and D'arcy travel to an unexpected place to recover an alien device left behind by his people.
#19 - Soul Providers
Season 4 - Episode 6 - Aired 7/11/2025
Harry is brought in front of The Galactic Housing Council to answer for his crimes.
#20 - The Human Condition
Season 4 - Episode 5 - Aired 7/4/2025
Harry struggles to find balance with his new human form.
#21 - Daddy Issues
Season 4 - Episode 7 - Aired 7/18/2025
Harry has to prove himself to someone from his past.
#22 - Mine Town
Season 4 - Episode 8 - Aired 7/25/2025
Harry enlists an unlikely ally to help him save Patience.
#23 - Tunnel Vision
Season 4 - Episode 9 - Aired 8/1/2025
With lives hanging in the balance, Harry is put to the test.
#24 - The Wire
Season 2 - Episode 2 - Aired 2/2/2022
Harry has a plan to save Asta and himself but first he must attend the Sheriff’s poker game.
#25 - Pilot
Season 1 - Episode 1 - Aired 1/27/2021
An alien hiding in a small Colorado town meets the locals when they ask him to help solve a murder.