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Movies HorrorSci-Fi

Piranha

1978 · 94 min · Director: Joe Dante ★ IMDb 5.9 · 28,643 ratings

Show plot summary (may contain spoilers)

When flesh-eating piranhas are accidently released into a summer resort's rivers, the guests become their next meal.

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Emotional fingerprint

Piranha (1978) — Movie. Top emotional signals: Fear 35%, Tension 25%, Excitement 20%. Source: AI estimate. Shares describe emotional signal, not percentages of people. Your experience may differ. How we measure

35%Fear
25%Tension
20%Excitement
  1. Fear35%
  2. Tension25%
  3. Excitement20%
  4. Disgust10%
  5. Surprise10%

AI estimate · no viewer votes yet

How we measure

AI estimate

Share of emotional signal, not the percentage of people or a probability of enjoyment.

Each viewer contributes one response, split equally across their selected emotions. When available, an automated estimate supplies a prior that is blended with those responses. Counts include distinct viewers, not automated estimates or archived anonymous votes. Fewer than 3 viewers is an early estimate; more responses do not guarantee certainty.

Why it feels this way

The strongest emotional signals are Fear, Tension, Excitement. Genres: Horror, Sci-Fi. AI estimate.

Is it worth watching?

Consider this title if you are looking for Fear, Tension and Excitement. Its IMDb rating of 5.9/10 suggests a mixed audience reception; consider how well the emotional profile suits you. For these leading emotions, its Feel Score is 61/100.

How did it make you feel?

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Emotional journey

AI · from subtitles
  • Tension
  • Fear
  • Sadness

Not enough subtitle evidence

No dominant emotion

Dominant emotion: Curiosity

Dominant emotion: Humor

Dominant emotion: Tension

Dominant emotion: Sadness

Tension
Fear
Sadness
Emotional journey Emotional intensity over the film’s runtime, from quieter to stronger on a fixed 0–1 scale. Hatched intervals have insufficient subtitle evidence. The table provides the values.
Ending hidden

Dominant emotion

Intensity dips around 8 %, then rises around 33 %, then peaks around 88 %.Ending hidden

Emotional journey
%Approximate minuteDominant emotionOverall intensityTensionFearSadness
2.5 %≈ 2′Curiosity38 %32 %25 %0 %
7.5 %≈ 7′Humor32 %20 %16 %1 %
12.5 %≈ 12′Humor39 %23 %15 %8 %
17.5 %≈ 16′Curiosity50 %40 %25 %15 %
22.5 %≈ 21′Tension46 %39 %24 %16 %
27.5 %≈ 26′Humor44 %30 %19 %25 %
32.5 %≈ 31′Sadness56 %41 %31 %36 %
37.5 %≈ 35′Tension71 %63 %54 %40 %
42.5 %≈ 40′Tension74 %70 %60 %40 %
47.5 %≈ 45′Tension64 %63 %44 %23 %
52.5 %≈ 49′Tension59 %59 %34 %8 %
57.5 %≈ 54′Tension59 %57 %34 %6 %
62.5 %≈ 59′Tension56 %54 %31 %4 %
67.5 %≈ 63′Tension60 %57 %40 %8 %
72.5 %≈ 68′Tension66 %64 %50 %15 %
77.5 %≈ 73′Tension69 %66 %51 %15 %
82.5 %≈ 78′Tension75 %71 %60 %14 %
87.5 %≈ 82′Tension81 %78 %65 %18 %
92.5 %≈ 87′Tension78 %75 %56 %23 %
97.5 %≈ 92′Tension68 %65 %47 %27 %
Riches to rags

Rags to riches: The emotional tone rises from negative to positive.

Riches to rags: The emotional tone falls from positive to negative.

Man in a hole: The tone falls, then recovers.

Icarus: The tone rises, then falls.

Cinderella: The tone rises, falls, then rises again.

Oedipus: The tone falls, rises, then falls again.

AI reading of the film’s English subtitles (dialogue and sound cues) — not viewer votes. How we measure ↗

Afterward Reveal viewer responses · may contain spoilers

Viewer responses about feelings after the title ended, separate from feelings while watching. No AI estimates.

0 responses so far

Feeling details appear after at least 3 viewers respond, to protect privacy.

Cast

BD
Bradford Dillman

HM
Heather Menzies

Kevin McCarthy

Keenan Wynn

Dick Miller

BS
Barbara Steele

BB
Belinda Balaski

BB
Belinda Balaski

Betsy

MT
Melody Thomas Scott

MT
Melody Thomas Scott

Laura Dickinson

BG
Bruce Gordon

BB
Barry Brown

Paul Bartel

Mr. Dumont

SC
Shannon Collins

Suzie Grogan

SN
Shawn Nelson

Whitney

RD
Richard Deacon

Earl Lyon

JS
Janie Squire

Barbara Randolph

RR
Roger Richman

David

BS
Bill Smillie

Jailer

GK
Guich Koock

TV Pitchman

JP
Jack Pauleson

Boy in Canoe

EH
Eric Henshaw

Father in Canoe

Details

Directed by
Joe Dante
Written by
John Sayles, Richard Robinson
Type
Movies
Released
1978
Runtime
94 min
Country
United States of America
Genres
Horror, Sci-Fi
Ratings
★ IMDb 5.9 · 28,643 ratings
Feels mostly
Fear
Data updated

Where to watch

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Availability varies by country

Data: JustWatch · Wikidata

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Emotion overlap shows mood similarity, not a prediction of enjoyment.