Release calendarTop 250 moviesMost popular moviesBrowse movies by genreTop box officeShowtimes & ticketsMovie newsIndia movie spotlight
    What's on TV & streamingTop 250 TV showsMost popular TV showsBrowse TV shows by genreTV news
    What to watchLatest trailersIMDb OriginalsIMDb PicksIMDb SpotlightFamily entertainment guideIMDb Podcasts
    OscarsEmmysSan Diego Comic-ConSummer Watch GuideToronto Int'l Film FestivalSTARmeter AwardsAwards CentralFestival CentralAll events
    Born todayMost popular celebsCelebrity news
    Help centerContributor zonePolls
For industry professionals
  • Language
  • Fully supported
  • English (United States)
    Partially supported
  • Français (Canada)
  • Français (France)
  • Deutsch (Deutschland)
  • हिंदी (भारत)
  • Italiano (Italia)
  • Português (Brasil)
  • Español (España)
  • Español (México)
Watchlist
Sign in
  • Fully supported
  • English (United States)
    Partially supported
  • Français (Canada)
  • Français (France)
  • Deutsch (Deutschland)
  • हिंदी (भारत)
  • Italiano (Italia)
  • Português (Brasil)
  • Español (España)
  • Español (México)
Use app
The Unbelievable with Dan Aykroyd
S1.E9
All episodesAll
  • Cast & crew
IMDbPro

What Lies Beneath

  • Episode aired Feb 2, 2024
  • TV-14
  • 41m
IMDb RATING
8.4/10
47
YOUR RATING
The Unbelievable with Dan Aykroyd (2023)
Documentary

Beneath the earth's surface lurk amazing mysteries: tunnels created by giant sloths, hidden cities and extraordinary sea creatures that defy the imagination. A journey into the subway wonder... Read allBeneath the earth's surface lurk amazing mysteries: tunnels created by giant sloths, hidden cities and extraordinary sea creatures that defy the imagination. A journey into the subway wonders of the planet.Beneath the earth's surface lurk amazing mysteries: tunnels created by giant sloths, hidden cities and extraordinary sea creatures that defy the imagination. A journey into the subway wonders of the planet.

  • Stars
    • Dan Aykroyd
    • Austin Rogers
    • Sabina Magliocco
  • See production info at IMDbPro
  • IMDb RATING
    8.4/10
    47
    YOUR RATING
    • Stars
      • Dan Aykroyd
      • Austin Rogers
      • Sabina Magliocco
  • See production info at IMDbPro
  • See production info at IMDbPro
  • Photos

    Top cast19

    Edit
    Dan Aykroyd
    Dan Aykroyd
    • Self - Host
    Austin Rogers
    • Self - Jeopardy! All Star
    Sabina Magliocco
    Sabina Magliocco
    • Self - Historian, Podcaster
    Greg Jackson
    • Self - Creator & Host of History That Doesn't Suck
    Brandy Schillace
    Brandy Schillace
    • Self - Medical Historian, Author
    Mitch Horowitz
    Mitch Horowitz
    • Self - Author, Historian
    Kathleen Tracy
    • Self - Author, Historian
    • (as Kat Tracy)
    Cord Whitaker
    • Self - Professor: Wellesley College
    • (as Dr. Cord J. Whitaker)
    Don Wildman
    Don Wildman
    • Self - TV Host, Historian
    Joseph Dituri
    Joseph Dituri
    • Self - Biomedical Engineer
    • (as Dr. Joseph Dituri)
    Rebecca Leib
    Rebecca Leib
    • Self - True Crime Podcaster
    Hakeem Oluseyi
    Hakeem Oluseyi
    • Self - Astrophysicist, Author
    • (as Dr. Hakeem Oluseyi)
    David Mizejewski
    David Mizejewski
    • Self - Naturalist: National Wildlife Federation
    Sami Jarroush
    • Self - Historian
    Jason Horton
    Jason Horton
    • Self - Podcast Host
    Ramy Romany
    Ramy Romany
    • Self - Egyptologist, Author
    Kavitha Davidson
    • Self - Journalist
    Michael Girgenti
    Michael Girgenti
    • Turkish Man
    • All cast & crew
    • Production, box office & more at IMDbPro

    User reviews

    8.447
    1
    2
    3
    4
    5
    6
    7
    8
    9
    10

    Storyline

    Edit

    Top picks

    Sign in to rate and Watchlist for personalized recommendations
    Sign in

    Details

    Edit
    • Release date
      • February 2, 2024 (United States)
    • Country of origin
      • United States
    • Official site
      • History
    • Language
      • English
    • Filming locations
      • Affordable Stages, Los Angeles, California, USA(location)
    • Production companies
      • A+E Factual Productions
      • Six West Media
    • See more company credits at IMDbPro

    Tech specs

    Edit
    • Runtime
      41 minutes
    • Color
      • Color
    • Sound mix
      • Dolby Digital
    • Aspect ratio
      • 16:9 HD

    Contribute to this page

    Suggest an edit or add missing content
    • Learn more about contributing
    Edit page

    More to explore

    Recently viewed

    Please enable browser cookies to use this feature. Learn more.
    Get the IMDb App
    Sign in for more accessSign in for more access
    Follow IMDb on social
    Get the IMDb App
    For Android and iOS
    Get the IMDb App
    • Help
    • Site Index
    • IMDbPro
    • Box Office Mojo
    • License IMDb Data
    • Press Room
    • Advertising
    • Jobs
    • Conditions of Use
    • Privacy Policy
    • Your Ads Privacy Choices
    IMDb, an Amazon company

    © 1990-2025 by IMDb.com, Inc.