When Grandma Becomes Grandpa poster
Where to stream

When Grandma Becomes Grandpa

2026MovieDrama

After a sudden downpour in the park, caregiver Shelly accidentally wheels home the wrong person — only to find she has brought back a grumpy, uncommunicative grandpa instead of her client. As she scrambles to switch them back, the grandpa refuses to go home.

DirectorSharon Wu
WriterSharon Wu
ProducerZhang Ting-fei

Where to watch

Expected on OTT
around August 15, 2026

Released in cinemas on June 27, 2026. A prediction based on the typical 6–8 week theatrical-to-streaming window — not a confirmed date. Get the WhichOTT app to be notified the moment it lands.

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Cast · Directed by Sharon Wu

LFLove Fang
Love Fang
Shelly
KJKing Jieh-wen
King Jieh-wen
Grandpa Jin-Fa
PYPeace Yang
Peace Yang
Mrs. Wu
QCQueenie Chen
Queenie Chen
Elder Daughter
KN
Kezia Anggie Nataly
Ari
BHBrando Huang
Brando Huang
Grandpa's son's voice

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When Grandma Becomes Grandpa — streaming FAQ

Which OTT platform streams When Grandma Becomes Grandpa?

When Grandma Becomes Grandpa isn't streaming anywhere in Australia yet.

Is When Grandma Becomes Grandpa on Netflix?

No, When Grandma Becomes Grandpa is not on Netflix in Australia as of September 2026.

Is When Grandma Becomes Grandpa on Amazon Prime Video?

No, When Grandma Becomes Grandpa isn't on Amazon Prime Video in Australia right now.

Where can I watch When Grandma Becomes Grandpa for free?

When Grandma Becomes Grandpa isn't streaming in Australia yet, so there's no way to watch it free at the moment.

What is the OTT release date for When Grandma Becomes Grandpa?

When Grandma Becomes Grandpa hasn't started streaming in Australia yet. Based on the typical 6–8 week theatrical-to-streaming window, we estimate it will arrive around August 15, 2026. This is a prediction, not a confirmed date.