Muscle Grandpa poster
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Muscle Grandpa

202123mMovieDramaFamily

A buddy series of "Dukgyu," a 68-year-old making weird poses in front of the gym mirror, wearing a sleeveless t-shirt, and his grandson "Donghyun," who just doesn't get him.

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Muscle Grandpa was released on September 15, 2021 but we couldn't find it on any streaming service yet. Rights can change — try again later.

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Cast

LBLee Byung-joon
Lee Byung-joon
Deok Gyu
CSCha Sun-hyung
Cha Sun-hyung
Dong Hyeon
LJLee Jae-hwan
Lee Jae-hwan
Father
KMKim Mu-seob
Kim Mu-seob
In Ho

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Muscle Grandpa — streaming FAQ

Which OTT platform streams Muscle Grandpa?

Muscle Grandpa isn't streaming anywhere in Canada yet.

Is Muscle Grandpa on Netflix?

No, Muscle Grandpa is not on Netflix in Canada as of September 2026.

Is Muscle Grandpa on Amazon Prime Video?

No, Muscle Grandpa isn't on Amazon Prime Video in Canada right now.

Where can I watch Muscle Grandpa for free?

Muscle Grandpa isn't streaming in Canada yet, so there's no way to watch it free at the moment.

What is the OTT release date for Muscle Grandpa?

Muscle Grandpa hasn't started streaming in Canada yet. Based on the typical 6–8 week theatrical-to-streaming window, we estimate it will arrive around November 3, 2021. This is a prediction, not a confirmed date.