8 eps
Episodes8 episodes · 1–8 free here
Free on Back'n'Time
The story
Quick answer: 8 episodes, English original audio, and episodes 1–8 play right here tonight.
After a failed ascension, centuries-old Aether master Vaughn Williams returns to modern Los Angeles, young as ever. He wakes his comatose son, rebuilds the family fortune with priceless gems, and saves a tycoon.
As Vaughn protects his family and gains influence, his grandson discovers his secret, and a medical prodigy becomes his student.
- Episodes
- 8
- Language
- English
- Free here
- Episodes 1–8
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Questions people ask
How many episodes are there in My Grandpa's Only 25?
My Grandpa's Only 25 has 8 episodes in total. Short dramas run about one to two minutes an episode, so it is an easy one-sitting binge. Episodes 1–8 play right here on Back'n'Time.
Can I watch My Grandpa's Only 25 for free?
Yes — the first 8 episodes are free to watch on this page, no account and no sign-up.
What happens after episode 8?
Tap episode 9, or any tile with a lock on it, and we hand you over to the official app at that episode. If the app isn't installed yet, you'll land on its store page first. We don't host the locked episodes and we never ask for payment details.
What's My Grandpa's Only 25 about?
The story section above has the setup without spoilers past episode 8.
What language is My Grandpa's Only 25 in?
The audio is English. It was added to Back'n'Time on Oct 26, 2026.
Episode 9 continues in the app
You've watched the free part. My Grandpa's Only 25 carries on in the official app — we'll open it at this episode.
Continue in the official appKeep watching 1–8