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Why Not! was released on December 21, 1977 but we couldn't find it on any streaming service yet. Rights can change — try again later.
Get the app to be notifiedCast · Directed by Coline Serreau
SF
Sami Frey
Fernand Bulard
CM
Christine Murillo
Alexa, dite Alex
MG
Mario Gonzales
Louis
NJ
Nicole Jamet
Sylvie
MA
Michel Aumont
L'inspecteur Bricat
MS
Mathé Souverbie
La mère de Sylvie
AS
Alain Salomon
Roger
JR
Jacques Rispal
Le père de Louis
FB
Florence Brière
LF
Luce Fabiole
Peau de Chagrin
NS
Nicolas Serreau
Le serveur dans la boîte
MS
Marie-Thérèse Saussure
Madame Picaud
More from Sami Frey · Lead actor
More from Christine Murillo · Co-star actress
More from Coline Serreau · Director
La Belle Verte
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Chaos
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Three Men and a Cradle
1985 · 6.4
Saint-Jacques… La Mecque
2005 · 6.3
Romuald & Juliette
1989 · 6.7
The Crisis
1992 · 6.9
Couleur locale
2014 · 7.1
Grands mères
1980
Three Men and a Cradle - 18 Years Later
2003 · 5.0
Grands-mères de l'Islam
1980 · 6.0
See all fromColine Serreau
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Why Not! — streaming FAQ
Which OTT platform streams Why Not!?
Why Not! isn't streaming anywhere in United States yet.
Is Why Not! on Netflix?
No, Why Not! is not on Netflix in United States as of October 2026.
Is Why Not! on Amazon Prime Video?
No, Why Not! isn't on Amazon Prime Video in United States right now.
Where can I watch Why Not! for free?
Why Not! isn't streaming in United States yet, so there's no way to watch it free at the moment.
What is the OTT release date for Why Not!?
Why Not! hasn't started streaming in United States yet. Based on the typical 6–8 week theatrical-to-streaming window, we estimate it will arrive around February 8, 1978. This is a prediction, not a confirmed date.
