Expedition Unknown: Shark Secrets
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Expedition Unknown: Shark Secrets

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Josh Gates investigates the USS Indianapolis disaster, which led to the deadliest shark attack in history, explores the mystery of Scotland's Stronsay Beast, and examines ancient remains that may reveal the earliest confirmed shark attack ever recorded.
2026
DocumentaryIntenseSmart
DocumentaryIntenseSmart
2026
Cast: Keith HoffmanChristina MorrisJosh Gates
TV-14
Season 1
1 episode

  • 1. Shark Secrets

    1. Shark Secrets

    Josh Gates investigates the USS Indianapolis disaster, which led to the deadliest shark attack in history, explores the mystery of Scotland's Stronsay Beast, and examines ancient remains that may reveal the earliest confirmed shark attack ever recorded.
    Josh Gates investigates the USS Indianapolis disaster, which led to the deadliest shark attack in history, explores the mystery of Scotland's Stronsay Beast, and examines ancient remains that may reveal the earliest confirmed shark attack ever recorded.
    TV-14
    42min
    Jul 29, 2026
    • Expedition Unknown: Shark Secrets
    DocumentaryIntenseSmart
    2026
    Josh Gates investigates the USS Indianapolis disaster, which led to the deadliest shark attack in history, explores the mystery of Scotland's Stronsay Beast, and examines ancient remains that may reveal the earliest confirmed shark attack ever recorded.
    Creators and Cast
    Cast
    Keith HoffmanChristina MorrisJosh Gates
    Studio
    discovery plus Shark Week
    Content advisory
    TV-14
    violenceFlashing lights and strobing patterns might affect photosensitive viewers
    Audio languages
    English
    Subtitles
    English [CC]
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