<?xml version="1.0"?>

<ownershipDocument>

    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2003-12-22</periodOfReport>


    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001068002</issuerCik>
        <issuerName>FOX ENTERTAINMENT GROUP INC</issuerName>
        <issuerTradingSymbol>FOX</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001092713</rptOwnerCik>
            <rptOwnerName>FEG HOLDINGS INC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1300 NORTH MARKET STREET</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 404</rptOwnerStreet2>
            <rptOwnerCity>WILMINGTON</rptOwnerCity>
            <rptOwnerState>DE</rptOwnerState>
            <rptOwnerZipCode>19801</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>
    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000788509</rptOwnerCik>
            <rptOwnerName>NEWS CORP LTD</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1211 AVENUE OF THE AMERICAS</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10036</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>
    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001024835</rptOwnerCik>
            <rptOwnerName>MURDOCH  KEITH  RUPERT</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O NEWS CORP</rptOwnerStreet1>
            <rptOwnerStreet2>1211 AVENUE OF THE AMERICAS</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10086</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chairman and Chief Executive</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>

        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock, par value $.01 per share</value>
            </securityTitle>
            <transactionDate>
                <value>2003-12-22</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>74522705</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>27.99</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>799659080</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                    <footnoteId id="F5"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                    <footnoteId id="F5"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>

    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The shares of Class A Common Stock were acquired in partial consideration for the transfer to the Issuer of shares of Hughes Electronics Corporation.  The total consideration for the transfer was $6,585,890,528 consisting of $4,500,000,000 in debt and $2,085,890,528 in shares of the Issuer.</footnote>
        <footnote id="F2">The 799,659,080  shares of Class A Common Stock consist of  74,522,705  shares of Class A Common Stock as reported herein, and 725,136,375 shares of Class A Common Stock of the Issuer reported as beneficially owned by FEG Holdings including 547,500,000 shares of Class A Common Stock of the Issuer which FEG Holdings would be entitled to receive upon conversion of all shares of Class B Common Stock held by FEG Holdings. The Class B shares of Common Stock held by FEG Holdings are convertible on a 1:1 basis at the option of the holder into shares of Class A Common Stock.</footnote>
        <footnote id="F3">FEG Holdings is a wholly owned subsidiary of The News Corporation Limited (&quot;News Corporation&quot;).  By virtue of ordinary shares of News Corporation owned by (i) Mr. K. Rupert Murdoch, (ii) Cruden Investments Pty. Limited, a private Australian investment company owned by Mr. Murdoch, members of his family, certain charities and other persons, and (iii) corporations which are controlled by trustees of settlements and trusts set up for the benefit of the Murdoch family, certain charities and other persons, and Mr. Murdoch's positions as Chairman and Chief Executive of News Corporation, Mr. Murdoch may be deemed to control the operations of News Corporation.</footnote>
        <footnote id="F4">The Reporting Persons, other than FEG Holdings, disclaim beneficial ownership of such shares, except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Persons are the beneficial owners of such securities for purposes of Section 16 or any other purpose.</footnote>
        <footnote id="F5">Mr. K. Rupert Murdoch is a director and Chairman and Chief Executive Officer of the Issuer.  Mr. Murdoch directly owns an additional 5,000 shares of Class A Common Stock of the Issuer.</footnote>
    </footnotes>


    <ownerSignature>
        <signatureName>/s/ K. Rupert Murdoch</signatureName>
        <signatureDate>2003-12-24</signatureDate>
    </ownerSignature>
    <ownerSignature>
        <signatureName>/s/ K. Rupert Murdoch</signatureName>
        <signatureDate>2003-12-24</signatureDate>
    </ownerSignature>
    <ownerSignature>
        <signatureName>/s/ K. Rupert Murdoch</signatureName>
        <signatureDate>2003-12-24</signatureDate>
    </ownerSignature>

</ownershipDocument>

