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 - 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.
#2 - Heroes of Patience
Season 1 - Episode 10 - Aired 3/31/2021
On the verge of completing his mission, Harry faces his own humanity.
#3 - Tunnel Vision
Season 4 - Episode 9 - Aired 8/1/2025
With lives hanging in the balance, Harry is put to the test.
#4 - Daddy Issues
Season 4 - Episode 7 - Aired 7/18/2025
Harry has to prove himself to someone from his past.
#5 - Homecoming
Season 3 - Episode 8 - Aired 4/3/2024
Harry and Asta team up with an unlikely ally to try to save the Earth.
#6 - Love Language
Season 1 - Episode 5 - Aired 2/24/2021
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.
#7 - 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.
#8 - Mine Town
Season 4 - Episode 8 - Aired 7/25/2025
Harry enlists an unlikely ally to help him save Patience.
#9 - Welcome Aliens
Season 1 - Episode 9 - Aired 3/24/2021
Harry and Asta attend an alien convention.
#10 - 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.
#11 - Birds of a Feather
Season 1 - Episode 4 - Aired 2/17/2021
Harry travels to the Ute Reservation to help Asta's grandmother, and learns what it means to belong.
#12 - End of the World as We Know It
Season 1 - Episode 8 - Aired 3/17/2021
Harry must rely on Asta and D'arcy for survival.
#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 - 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.
#15 - The Green Glow
Season 1 - Episode 7 - Aired 3/10/2021
Fearing he's facing failure, Harry enlists an unlikely ally to help find his ship.
#16 - 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.
#17 - Alien Dinner Party
Season 2 - Episode 8 - Aired 3/16/2022
It’s a surprise party as everyone gathers to celebrate Harry, but some dangerous guests cause havoc.
#18 - Sexy Beast
Season 1 - Episode 6 - Aired 3/3/2021
Harry copes with jealousy when the mayor hires an annoyingly perfect new town doctor.
#19 - Avian Flu
Season 3 - Episode 4 - Aired 3/6/2024
Harry gets distracted from his mission, while Mike and Liv make a huge discovery.
#20 - Escape from New York
Season 2 - Episode 7 - Aired 3/9/2022
Harry and Asta find what they are looking for but not what they need as danger closes in.
#21 - The Alien Within
Season 2 - Episode 12 - Aired 8/31/2022
Halloween comes to Patience and Harry sheds his human mask.
#22 - 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.
#23 - Cat and Mouse
Season 2 - Episode 14 - Aired 9/14/2022
Harry goes head-to-head with one of his biggest enemies.
#24 - Harry, a Parent
Season 2 - Episode 13 - Aired 9/7/2022
After losing the alien baby, Harry learns which alien race is on Earth and it's not what he expected.
#25 - 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.