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  <headerData>
    <submissionType>144</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001259263</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 JOHN S</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</relationshipToIssuer>
        <relationshipToIssuer>10% Stockholder</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Merrill Lynch</name>
        <address>
          <com:street1>1800 K Street NW Ste 800</com:street1>
          <com:city>Washington</com:city>
          <com:stateOrCountry>DC</com:stateOrCountry>
          <com:zipCode>20006</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>12742</noOfUnitsSold>
      <aggregateMarketValue>12561.46</aggregateMarketValue>
      <noOfUnitsOutstanding>53306291</noOfUnitsOutstanding>
      <approxSaleDate>04/05/2024</approxSaleDate>
      <securitiesExchangeName>Nasdaq</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>10/14/2020</acquiredDate>
      <natureOfAcquisitionTransaction>Purchase</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Curiositystream Inc</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>12742</amountOfSecuritiesAcquired>
      <paymentDate>10/14/2020</paymentDate>
      <natureOfPayment>Cash</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Hendricks Factual Media LLC</name>
        <address>
          <com:street1>8484 Georgia Ave STe 700</com:street1>
          <com:city>Silver Spring</com:city>
          <com:stateOrCountry>MD</com:stateOrCountry>
          <com:zipCode>20910</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>03/21/2024</saleDate>
      <amountOfSecuritiesSold>99400</amountOfSecuritiesSold>
      <grossProceeds>98899.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>John Hendricks</name>
        <address>
          <com:street1>8484 Georgia Ave Ste 700</com:street1>
          <com:city>Silver Spring</com:city>
          <com:stateOrCountry>MD</com:stateOrCountry>
          <com:zipCode>20910</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>03/21/2024</saleDate>
      <amountOfSecuritiesSold>4269</amountOfSecuritiesSold>
      <grossProceeds>4178.58</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Hendricks Factual Media LLC</name>
        <address>
          <com:street1>8484 Georgia Ave</com:street1>
          <com:city>Silver Spring</com:city>
          <com:stateOrCountry>MD</com:stateOrCountry>
          <com:zipCode>20910</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>03/22/2024</saleDate>
      <amountOfSecuritiesSold>59359</amountOfSecuritiesSold>
      <grossProceeds>58624.33</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>John Hendricks</name>
        <address>
          <com:street1>8484 Silver Spring</com:street1>
          <com:city>Silver Spring</com:city>
          <com:stateOrCountry>MD</com:stateOrCountry>
          <com:zipCode>20910</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>03/22/2024</saleDate>
      <amountOfSecuritiesSold>16847</amountOfSecuritiesSold>
      <grossProceeds>16542.13</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Hendricks Factual Media LLC</name>
        <address>
          <com:street1>8484 Georgia Ave</com:street1>
          <com:city>Silver Spring</com:city>
          <com:stateOrCountry>MD</com:stateOrCountry>
          <com:zipCode>20910</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>03/26/2024</saleDate>
      <amountOfSecuritiesSold>28006</amountOfSecuritiesSold>
      <grossProceeds>27469.33</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Hendricks Factual Media LLC</name>
        <address>
          <com:street1>8484 Georgia Ave</com:street1>
          <com:city>Silver Spring</com:city>
          <com:stateOrCountry>MD</com:stateOrCountry>
          <com:zipCode>20910</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>03/27/2024</saleDate>
      <amountOfSecuritiesSold>8709</amountOfSecuritiesSold>
      <grossProceeds>8438.80</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Hendricks Factual Media LLC</name>
        <address>
          <com:street1>8484 Georgia Ave Ste 700</com:street1>
          <com:city>Silver Spring</com:city>
          <com:stateOrCountry>MD</com:stateOrCountry>
          <com:zipCode>20910</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>03/28/2024</saleDate>
      <amountOfSecuritiesSold>139176</amountOfSecuritiesSold>
      <grossProceeds>142508.78</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Hendricks Factual Media LLC</name>
        <address>
          <com:street1>8484 Georgia Ave Ste 700</com:street1>
          <com:city>Silver Spring</com:city>
          <com:stateOrCountry>MD</com:stateOrCountry>
          <com:zipCode>20910</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>04/01/2024</saleDate>
      <amountOfSecuritiesSold>49200</amountOfSecuritiesSold>
      <grossProceeds>49960.24</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Hendricks Factual Media LLC</name>
        <address>
          <com:street1>8484 Georgia Ave Ste 700</com:street1>
          <com:city>Silver Spring</com:city>
          <com:stateOrCountry>MD</com:stateOrCountry>
          <com:zipCode>20910</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>04/02/2024</saleDate>
      <amountOfSecuritiesSold>43900</amountOfSecuritiesSold>
      <grossProceeds>43476.78</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Hendricks Factual Media LLC</name>
        <address>
          <com:street1>8484 Georgia Ave Ste 700</com:street1>
          <com:city>Silver Spring</com:city>
          <com:stateOrCountry>MD</com:stateOrCountry>
          <com:zipCode>20910</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>04/03/2024</saleDate>
      <amountOfSecuritiesSold>30821</amountOfSecuritiesSold>
      <grossProceeds>30587.48</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Hendricks Factual Media LLC</name>
        <address>
          <com:street1>8484 Georgia Ave Ste 700</com:street1>
          <com:city>Silver Spring</com:city>
          <com:stateOrCountry>MD</com:stateOrCountry>
          <com:zipCode>20910</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>04/04/2024</saleDate>
      <amountOfSecuritiesSold>22100</amountOfSecuritiesSold>
      <grossProceeds>21842.03</grossProceeds>
    </securitiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>04/05/2024</noticeDate>
      <planAdoptionDates>
        <planAdoptionDate>12/16/2022</planAdoptionDate>
      </planAdoptionDates>
      <signature>John Hendricks</signature>
    </noticeSignature>
  </formData>
</edgarSubmission>
