-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 Fe7XnJFV+lY2vMLj/uIUdjt+VSEa46rkOrPno/7vCT5vFmJaySxxk7tmXHgLYrfq
 zrb65zyMZgurvF9fHhLreQ==

<SEC-DOCUMENT>0001179110-08-004005.txt : 20080225
<SEC-HEADER>0001179110-08-004005.hdr.sgml : 20080225
<ACCEPTANCE-DATETIME>20080225172618
ACCESSION NUMBER:		0001179110-08-004005
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20080225
FILED AS OF DATE:		20080225
DATE AS OF CHANGE:		20080225

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BIG DOG HOLDINGS INC
		CENTRAL INDEX KEY:			0001019439
		STANDARD INDUSTRIAL CLASSIFICATION:	RETAIL-FAMILY CLOTHING STORES [5651]
		IRS NUMBER:				521868665
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		121 GRAY AVENUE
		CITY:			SANTA BARBARA
		STATE:			CA
		ZIP:			93101
		BUSINESS PHONE:		8059638727

	MAIL ADDRESS:	
		STREET 1:		121 GRAY AVENUE
		CITY:			SANTA BARBARA
		STATE:			CA
		ZIP:			93101

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Grenley Michael
		CENTRAL INDEX KEY:			0001326900

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-22963
		FILM NUMBER:		08640412

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		805-963-8727

	MAIL ADDRESS:	
		STREET 1:		121 GRAY AVENUE
		CITY:			SANTA BARBARA
		STATE:			CA
		ZIP:			93101
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>FORM 4 -
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2008-02-25</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001019439</issuerCik>
        <issuerName>BIG DOG HOLDINGS INC</issuerName>
        <issuerTradingSymbol>BDOG</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001326900</rptOwnerCik>
            <rptOwnerName>Grenley Michael</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>121 GRAY AVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SANTA BARBARA</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>93101</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Senior Vice President</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2008-02-25</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>3500</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>11.0688</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>32500</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes></footnotes>

    <ownerSignature>
        <signatureName>Michael Grenley</signatureName>
        <signatureDate>2008-02-25</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----