Japanese
Best Anime to Learn Japanese: 12 Picks by Level
The best anime to learn Japanese, from beginner to advanced: why each show suits learners, where to watch it legally, and one study tip for each.
Netflix
15 articles on the InterSub Blog.
AIChatGPT for Language Learning: Prompts, Limits, AI Tutors
ChatGPT for language learning: what it does well, where it fails, 8 prompts to copy, and AI tutors that know the words you met in real shows.
Dual subtitlesComprehensible Input: How to Learn From Shows
Comprehensible input explained: Krashen's input hypothesis, how much you need to understand, and a four-stage subtitle setup for learning from shows.
Dual subtitlesDuolingo Alternatives: 13 Apps That Fill the Gaps
Honest Duolingo alternatives grouped by what they add: tutors, courses, real listening and flashcards. Prices, free plans and a weekly mix to try.
FrenchBest French Shows to Learn French on Netflix, by Level
The best French shows to learn French on Netflix, sorted by level: accents, speed and slang in each, how to get French subtitles, and a two-week plan.
Dual subtitlesLanguage Reactor Review and the Best Alternatives (2026)
An honest Language Reactor review: strengths, Pro pricing, browser limits, and the best Language Reactor alternative for Firefox, Prime Video or Disney+.
KoreanLearn Korean With K-Dramas: A Practical Guide
How to learn Korean with K-dramas: where to find Korean subtitles, how to turn them on in Netflix, a step-by-step method, and dramas to start with.
JapaneseNetflix Japanese Subtitles: How to Turn Them On and Learn
How to turn on Netflix Japanese subtitles on a computer, TV or phone, why they are sometimes missing, and how to watch with Japanese and English at once.
Dual subtitlesShadowing Technique: How to Practice with Real Videos
The shadowing technique for language learners: what it is, why it helps, and a step-by-step routine with YouTube, Netflix and course videos.
NetflixBest Netflix Extensions for Chrome: 5 Worth Installing
The best Netflix extensions for Chrome in 2026: dual subtitles, playback controls, watch parties, and what happened to Super Netflix.
AIAI Subtitle Translation: Watch Any Video in Two Languages
How AI subtitle translation works in a browser, which engines InterSub uses, where it helps and where it doesn't, and how to turn it on.
JapaneseJapanese Movies With Subtitles: What to Watch and Where
Japanese movies with subtitles for learners: films and series that are easy to follow, where to watch them, and English or Japanese subtitles, or both.
SpanishSpanish Shows on Netflix: 12 Series to Learn Spanish
Netflix shows to learn Spanish, sorted by level: what to watch first, which accents you will hear, and how to watch with Spanish and English subtitles at once.
NetflixNetflix Two Subtitles: How to Watch With Two at Once
Netflix plays one subtitle track. How to get dual subtitles on Netflix with a browser extension, on a computer and on a TV, and which settings help you learn.
Dual subtitlesDouble Subtitles: Two Subtitles at Once for Learning
What double subtitles are, when two subtitles at the same time help you learn a language, when they get in the way, and how to show them in YouTube or VLC.