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Quick Answer
- What's Wrong with My Big Brother(ONA · 26 eps)
- What's Wrong with My Big Brother 2nd Season(ONA · 13 eps)
- What's Wrong with My Big Brother 3rd Season(ONA · 13 eps)
- What's Wrong with My Big Brother Special(ONA · 52 eps)
Total: ~104 episodes / 42h watch time
What's Wrong with My Big Brother Watch Order(2026)
With 4 entries across the franchise, What's Wrong with My Big Brother can look overwhelming. It's simpler than it seems though. Follow the list below and you'll be set.
4 entries ~42h total4 series
Full Watch Order (Release Order)
Frequently Asked Questions
What's the best order to watch What's Wrong with My Big Brother?
Release order. Start with What's Wrong with My Big Brother and go down the list. This is how the creators intended the story to unfold — later entries build on what came before, and watching out of order can spoil key reveals.
How long does it take to watch all of What's Wrong with My Big Brother?
About 42 hours total across 104 episodes and 4 entries. At 3-4 episodes per day, that's roughly 30 days.
Can I skip the movies and OVAs?
This franchise is mostly main series content with no standalone movies or OVAs to worry about.
Release order or chronological order?
Go with release order for your first time through. Chronological can be tempting, but shows are written with release order in mind — reveals hit harder and character arcs make more sense. Save chronological for a rewatch if you want a different perspective.
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