Explore Movie Vocabulary
Learn English with movies. Discover how much of a movie’s vocabulary you already know and review unfamiliar words before watching.
Blue Planet II
Is Blue Planet II difficult to watch in English? Explore its vocabulary difficulty, estimated English level, and unfamiliar words before watching.
Unique vocabulary and phrases by level
How difficult is Blue Planet II in English?
Blue Planet II: 43.0% A1–A2 vocabulary; 29.3% B2, C1, and rare vocabulary. Vocabulary size: 2,925.
Unique vocabulary
- For A2 learners: 43.8% of unique vocabulary is above A2 or marked rare. Expect substantial preparation; start with short scenes and English subtitles.
- For B1 learners: 29.3% of unique vocabulary is above B1 or marked rare. Expect substantial preparation; start with short scenes and English subtitles.
- For B2 learners: 21.4% of unique vocabulary is above B2 or marked rare. Expect substantial preparation; start with short scenes and English subtitles.
13.2% Unclassified. Unclassified vocabulary has no reliable level assignment.
Vocabulary weighted by word occurrences
81.8% A1–A2 vocabulary; 8.2% B2, C1, and rare vocabulary; 4.1% Unclassified.
This counts repeated eligible words. Phrases are excluded from this calculation to avoid counting their component words twice.
Subtitle coverage: 7 of 7 episodes; the profile describes only available subtitles.
Recurring words and phrases to preview
- shark (B1): 65 occurrences in available subtitles.
Subtitle example:
Within 12 hours, there are seven enormous sharks
- whale (B2): 46 occurrences in available subtitles.
Subtitle example:
A whale fall is a temporary oasis
- playing (B1): 39 occurrences in available subtitles.
English meaning: Taking part in a game, performing music, or acting a role, depending on context.
Subtitle example:
(THEME MUSIC PLAYING)
- creature (B1): 38 occurrences in available subtitles.
Subtitle example:
there are creatures beyond our imagination.
- planet (B1): 37 occurrences in available subtitles.
Subtitle example:
They cover 70% of the surface of our planet,
Compare with titles in similar genres
- Africa: 29.0% B2, C1, and rare vocabulary (0.4 percentage points less than Blue Planet II).
- Frozen Planet: 29.8% B2, C1, and rare vocabulary (0.5 percentage points more than Blue Planet II).
- Planet Earth II: 30.8% B2, C1, and rare vocabulary (1.5 percentage points more than Blue Planet II).
These percentages describe vocabulary, not the proportion of dialogue you will understand. CEFR labels are estimates, not official film ratings. Accent, speed, songs, context, and your own vocabulary also affect comprehension. Repeated occurrences may include repeated dialogue or lyrics.
How we estimate vocabulary difficulty · Evidence generated: