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

Howdy Amazon ChannelHowdy Amazon ChannelThe Roku ChannelThe Roku ChannelYouTube FreeYouTube FreeTubi TVTubi TV
Availability shown for United States · rights vary by country

Cast · Directed by Richard Benjamin

DADan Aykroyd
Dan Aykroyd
Steven Mills
KBKim Basinger
Kim Basinger
Celeste Martin
JLJon Lovitz
Jon Lovitz
Ron Mills
AHAlyson Hannigan
Alyson Hannigan
Jessie Mills
JMJoseph Maher
Joseph Maher
Lucas Budlong
SGSeth Green
Seth Green
Fred Glass
APAnn Prentiss
Ann Prentiss
Bag (voice)
WMWesley Mann
Wesley Mann
Grady
TJTony Jay
Tony Jay
Council Chief
PBPeter Bromilow
Peter Bromilow
Second in Command
NH
Nina Henderson
Cashier
HSHarry Shearer
Harry Shearer
Carl Sagan (voice)

More from Dan Aykroyd · Lead actor

The Simpsons
The Simpsons
1989 · 8.0
Family Guy
Family Guy
1999 · 7.4
The Nanny
The Nanny
1993 · 8.1
Home Improvement
Home Improvement
1991 · 7.4
Tales from the Crypt
Tales from the Crypt
1989 · 8.0
According to Jim
According to Jim
2001 · 6.5
Heritage Minutes
Heritage Minutes
1991 · 7.3
American Masters
American Masters
1986 · 7.0
The Conners
The Conners
2018 · 7.0
Pixels
Pixels
2015 · 5.8
See all fromDan Aykroyd

More from Kim Basinger · Co-star actress

The Simpsons
The Simpsons
1989 · 8.0
Charlie's Angels
Charlie's Angels
1976 · 6.7
The Six Million Dollar Man
The Six Million Dollar Man
1974 · 7.3
Fifty Shades Freed
Fifty Shades Freed
2018 · 6.7
Batman
Batman
1989 · 7.2
The Nice Guys
The Nice Guys
2016 · 7.1
Vega$
Vega$
1978 · 6.9
8 Mile
8 Mile
2002 · 7.1
L.A. Confidential
L.A. Confidential
1997 · 7.8
Fifty Shades Darker
Fifty Shades Darker
2017 · 6.5
See all fromKim Basinger

More from Richard Benjamin · Director

The Money Pit
The Money Pit
1986 · 6.5
Mermaids
Mermaids
1990 · 6.7
Made in America
Made in America
1993 · 5.5
Milk Money
Milk Money
1994 · 6.5
City Heat
City Heat
1984 · 5.5
Marci X
Marci X
2003 · 3.5
Downtown
Downtown
1990 · 5.7
The Pentagon Wars
The Pentagon Wars
1998 · 6.9
Mrs. Winterbourne
Mrs. Winterbourne
1996 · 7.2
My Favorite Year
My Favorite Year
1982 · 6.6
See all fromRichard Benjamin

More like this

E.T. the Extra-Terrestrial
E.T. the Extra-Terrestrial
1982 · 7.5
Dark Star
Dark Star
1974 · 6.0
Family Guy Presents: Blue Harvest
Family Guy Presents: Blue Harvest
2007 · 7.4
Sleeper
Sleeper
1973 · 6.9
The Adventures of Buckaroo Banzai Across the 8th Dimension
The Adventures of Buckaroo Banzai Across the 8th Dimension
1984 · 6.0
The Fourth Kind
The Fourth Kind
2009 · 6.4
Mars Attacks!
Mars Attacks!
1996 · 6.4
Knowing
Knowing
2009 · 6.3
Young Frankenstein
Young Frankenstein
1974 · 7.9
Moonfall
Moonfall
2022 · 6.3
Explorers
Explorers
1985 · 6.3
The End of Oak Street
The End of Oak Street
2026 · 6.4

My Stepmother Is an Alien — streaming FAQ

Which OTT platform streams My Stepmother Is an Alien?

My Stepmother Is an Alien is streaming on Howdy, The Roku Channel and YouTube Free in United States, and available to rent or buy on Amazon Video and Apple TV Store. It's not currently 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 September 2026. It's currently on Howdy and The Roku Channel.

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.