content: <?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
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      <submissionType>144</submissionType>
      <filerInfo>
        <filer>
          <filerCredentials>
            <cik>0001841743</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0001776909</issuerCik>
        <issuerName>CuriosityStream Inc.</issuerName>
        <secFileNumber>001-39139</secFileNumber>
        <issuerAddress>
          <com:street1>8484 GEORGIA AVE.</com:street1>
          <com:street2>SUITE 700</com:street2>
          <com:city>SILVER SPRING</com:city>
          <com:stateOrCountry>MD</com:stateOrCountry>
          <com:zipCode>20910</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>301-755-2050</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Hendricks Andrew</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Director</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>Fidelity Brokerage Services LLC</name>
          <address>
            <com:street1>900 Salem Street</com:street1>
            <com:city>Smithfield</com:city>
            <com:stateOrCountry>RI</com:stateOrCountry>
            <com:zipCode>02917</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>2000</noOfUnitsSold>
        <aggregateMarketValue>9608.13</aggregateMarketValue>
        <noOfUnitsOutstanding>57625988</noOfUnitsOutstanding>
        <approxSaleDate>06/13/2025</approxSaleDate>
        <securitiesExchangeName>NASDAQ</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>12/31/2021</acquiredDate>
        <natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>2000</amountOfSecuritiesAcquired>
        <paymentDate>12/31/2021</paymentDate>
        <natureOfPayment>Compensation</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>06/13/2025</noticeDate>
        <signature>/s/ Emily Navaro, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for  Andrew Hendricks.</signature>
      </noticeSignature>
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text: 144
  0001841743
  XXXXXXXX
  LIVE
  0001776909
  CuriosityStream Inc.
  001-39139
  8484 GEORGIA AVE.
  SUITE 700
  SILVER SPRING
  MD
  20910
  301-755-2050
  Hendricks Andrew
  Director
  Common
  Fidelity Brokerage Services LLC
  900 Salem Street
  Smithfield
  RI
  02917
  2000
  9608.13
  57625988
  06/13/2025
  NASDAQ
  Common
  12/31/2021
  Restricted Stock Vesting
  Issuer
  N
  2000
  12/31/2021
  Compensation
  Y
  06/13/2025
  /s/ Emily Navaro, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for  Andrew Hendricks.