9 epsEpisodes9 episodes · 1–9 free here
Free on Back'n'Time
The story
Quick answer: 9 episodes, English original audio, and episodes 1–9 play right here tonight.
Mason Vale 's new life begins as a flea—until he unlocks an infinite evolution system. Contracted to the most popular girl in school, he's mocked as useless.
But with each drop of her blood, he evolves: from pest, to predator, to planet-shattering beast. Time to shut everyone up.
- Vibe
- Do-over, done right
- Episodes
- 9
- Language
- English
- Free here
- Episodes 1–9
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Questions people ask
How many episodes are there in Flea to Fearsome?
Flea to Fearsome has 9 episodes in total. Short dramas run about one to two minutes an episode, so it is an easy one-sitting binge. Episodes 1–9 play right here on Back'n'Time.
Can I watch Flea to Fearsome for free?
Yes — the first 9 episodes are free to watch on this page, no account and no sign-up.
What happens after episode 9?
Tap episode 10, 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 Flea to Fearsome about?
It's a rebirth, underdog short drama. The story section above has the setup without spoilers past episode 9.
What language is Flea to Fearsome in?
The audio is English. It was added to Back'n'Time on Oct 20, 2026.
Episode 10 continues in the app
You've watched the free part. Flea to Fearsome carries on in the official app — we'll open it at this episode.
Continue in the official appKeep watching 1–9