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Quick Answer
- This Boy Caught a Merman(OVA · 1 eps)
- This Boy is a Professional Wizard(TV · 4 eps)
- This Boy Can Fight Aliens(OVA · 1 eps)
- This Boy Suffers From Crystallization(OVA · 1 eps)
Total: ~7 episodes / 3h watch time
This Boy Caught a Merman Watch Order(2026)
Wondering where to start with This Boy Caught a Merman? There are 4 entries total. The order below follows release dates, which is usually the safest way to go for a first watch.
4 entries ~3h total1 series3 OVA/specials
Full Watch Order (Release Order)
Frequently Asked Questions
What's the best order to watch This Boy Caught a Merman?
Release order. Start with This Boy Caught a Merman 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 This Boy Caught a Merman?
About 3 hours total across 7 episodes and 4 entries. At 3-4 episodes per day, that's roughly 2 days.
Can I skip the movies and OVAs?
It depends. Recap movies are always safe to skip — they just compress the TV episodes. Original movies and OVAs range from "fun side stories" to "actually important for the plot." When you're unsure, just watch them where they fall in the list above. Better to have extra context than miss something.
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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