Explore Movie Vocabulary
Learn English with movies. Discover how much of a movie’s vocabulary you already know and review unfamiliar words before watching.
Planet Earth II
Is Planet Earth 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 Planet Earth II in English?
Planet Earth II: 43.9% A1–A2 vocabulary; 30.8% B2, C1, and rare vocabulary. Vocabulary size: 2,768.
Unique vocabulary
- For A2 learners: 44.3% of unique vocabulary is above A2 or marked rare. Expect substantial preparation; start with short scenes and English subtitles.
- For B1 learners: 30.8% of unique vocabulary is above B1 or marked rare. Expect substantial preparation; start with short scenes and English subtitles.
- For B2 learners: 23.4% of unique vocabulary is above B2 or marked rare. Expect substantial preparation; start with short scenes and English subtitles.
11.8% Unclassified. Unclassified vocabulary has no reliable level assignment.
Vocabulary weighted by word occurrences
84.8% A1–A2 vocabulary; 7.3% B2, C1, and rare vocabulary; 3.5% Unclassified.
This counts repeated eligible words. Phrases are excluded from this calculation to avoid counting their component words twice.
Subtitle coverage: 6 of 6 episodes; the profile describes only available subtitles.
Recurring words and phrases to preview
- planet (B1): 27 occurrences in available subtitles.
Subtitle example:
Ten years ago, in a television series called Planet Earth,
- crew (B2): 23 occurrences in available subtitles.
Subtitle example:
Two crews set off on two very different missions.
- penguin (B1): 22 occurrences in available subtitles.
Subtitle example:
There's the Snares penguins.
- creature (B1): 20 occurrences in available subtitles.
Subtitle example:
Like all creatures of the high mountains,
- locust (rare): 19 occurrences in available subtitles.
Subtitle example:
Locusts are normally solitary creatures,
Compare with titles in similar genres
- Frozen Planet: 29.8% B2, C1, and rare vocabulary (0.9 percentage points less than Planet Earth II).
- Blue Planet II: 29.3% B2, C1, and rare vocabulary (1.5 percentage points less than Planet Earth II).
- The Blue Planet: 32.6% B2, C1, and rare vocabulary (1.8 percentage points more than Planet Earth 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: