The Other Sister poster
Where to stream

The Other Sister

6.419992h 10mPG-13MovieComedyDramaRomance

A mentally challenged girl proves herself to be every bit as capable as her "perfect" sister when she moves into an apartment and begins going to college.

DirectorGarry Marshall
WritersGarry Marshall·Bob Brunner
ProducersAlexandra Rose·Mario Iscovich

Where to watch

Disney PlusDisney Plus
Availability shown for Australia · rights vary by country

Cast · Directed by Garry Marshall

JLJuliette Lewis
Juliette Lewis
Carla Tate
DKDiane Keaton
Diane Keaton
Elizabeth Tate
TSTom Skerritt
Tom Skerritt
Radley Tate
GRGiovanni Ribisi
Giovanni Ribisi
Daniel McMann
PMPoppy Montgomery
Poppy Montgomery
Caroline Tate
SPSarah Paulson
Sarah Paulson
Heather Tate
LTLinda Thorson
Linda Thorson
Drew Evanson
JFJoe Flanigan
Joe Flanigan
Jeff Reed
JMJuliet Mills
Juliet Mills
Winnie
TRTracy Reiner
Tracy Reiner
Michelle
HAHope Alexander-Willis
Hope Alexander-Willis
Marge
HM
Harvey Miller
Dr. Johnson

More from Juliette Lewis · Lead actress

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More from Diane Keaton · Co-star actress

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More from Garry Marshall · Director

Happy Days
Happy Days
1974 · 7.6
Love, American Style
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Laverne & Shirley
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The Odd Couple
The Odd Couple
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Mork & Mindy
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Pretty Woman
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1990 · 7.4
The Princess Diaries
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The Princess Diaries 2: Royal Engagement
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Runaway Bride
Runaway Bride
1999 · 6.1
New Year's Eve
New Year's Eve
2011 · 5.9
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The Other Sister — streaming FAQ

Which OTT platform streams The Other Sister?

The Other Sister is streaming on Disney Plus in Australia, and available to rent or buy on Apple TV Store and Amazon Video. It's not currently on Netflix.

Is The Other Sister on Netflix?

No, The Other Sister is not on Netflix in Australia as of September 2026. It's currently on Disney Plus.

Is The Other Sister on Amazon Prime Video?

The Other Sister isn't included with a Prime Video subscription in Australia, but you can rent or buy it on Amazon Video.

Where can I watch The Other Sister for free?

The Other Sister is available on Disney Plus in Australia, but you'll need an active subscription — there's no free option right now.