My Stepmother Is an Alien poster
Where to stream

My Stepmother Is an Alien

5.819881h 48mPG-13MovieComedyScience Fiction

Trying to rescue her home planet from destruction, a gorgeous extraterrestrial named Celeste arrives on Earth and begins her scientific research. She woos quirky scientist Dr. Steve Mills, a widower with a young daughter. Before long,…

DirectorRichard Benjamin
WritersHerschel Weingrod·Timothy Harris
ProducersArt Levinson·Franklin R. Levy

Where to watch

Availability shown for United States · rights vary by country

Cast · Directed by Richard Benjamin

Dan Aykroyd
Dan Aykroyd
Steven Mills
Kim Basinger
Kim Basinger
Celeste Martin
Jon Lovitz
Jon Lovitz
Ron Mills
Alyson Hannigan
Alyson Hannigan
Jessie Mills
Joseph Maher
Joseph Maher
Lucas Budlong
Seth Green
Seth Green
Fred Glass
Ann Prentiss
Ann Prentiss
The Voice of the Bag (voice)
Wesley Mann
Wesley Mann
Grady
Tony Jay
Tony Jay
Council Chief
Peter Bromilow
Peter Bromilow
Second in Command
Nina Henderson
Nina Henderson
Cashier
Harry Shearer
Harry Shearer
Carl Sagan (voice)

More like this

Dark Star
Dark Star
1974 · 6.0
Family Guy Presents: Blue Harvest
Family Guy Presents: Blue Harvest
2007 · 7.4
Absolutely Anything
Absolutely Anything
2015 · 5.9
Sleeper
Sleeper
1973 · 6.9
The Fourth Kind
The Fourth Kind
2009 · 6.4
Knowing
Knowing
2009 · 6.3
Mars Attacks!
Mars Attacks!
1996 · 6.4
Young Frankenstein
Young Frankenstein
1974 · 7.9
Explorers
Explorers
1985 · 6.3
Moonfall
Moonfall
2022 · 6.3
Evolution
Evolution
2001 · 6.1
Disclosure Day
Disclosure Day
2026 · 7.4

My Stepmother Is an Alien — streaming FAQ

Which OTT platform streams My Stepmother Is an Alien?

My Stepmother Is an Alien isn't on any subscription service in United States right now, but you can rent or buy it on Amazon Video, Apple TV Store and Google Play Movies. It's not on Netflix.

Is My Stepmother Is an Alien on Netflix?

No, My Stepmother Is an Alien is not on Netflix in United States as of August 2026. You can rent or buy it on Amazon Video and Apple TV Store.

Is My Stepmother Is an Alien on Amazon Prime Video?

My Stepmother Is an Alien isn't included with a Prime Video subscription in United States, but you can rent or buy it on Amazon Video.

Where can I watch My Stepmother Is an Alien for free?

My Stepmother Is an Alien is available to stream free (with ads) on The Roku Channel and YouTube Free in United States.