-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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<SEC-DOCUMENT>0001181580-10-000005.txt : 20100630
<SEC-HEADER>0001181580-10-000005.hdr.sgml : 20100630
<ACCEPTANCE-DATETIME>20100630180446
ACCESSION NUMBER:		0001181580-10-000005
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100628
FILED AS OF DATE:		20100630
DATE AS OF CHANGE:		20100630

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			HAMMETT WILLIAM C JR
		CENTRAL INDEX KEY:			0001183131

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-12919
		FILM NUMBER:		10928280

	MAIL ADDRESS:	
		STREET 1:		CAMPBELL CENTRE
		STREET 2:		8350 N CENTRAL EXPRESSWAY STE 1900
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75206

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PIZZA INN INC /MO/
		CENTRAL INDEX KEY:			0000718332
		STANDARD INDUSTRIAL CLASSIFICATION:	WHOLESALE-GROCERIES & RELATED PRODUCTS [5140]
		IRS NUMBER:				470654575
		STATE OF INCORPORATION:			MO
		FISCAL YEAR END:			0626

	BUSINESS ADDRESS:	
		STREET 1:		3551 PLANO PARKWAY
		CITY:			THE COLONY
		STATE:			TX
		ZIP:			75056
		BUSINESS PHONE:		469-384-5000

	MAIL ADDRESS:	
		STREET 1:		3551 PLANO PARKWAY
		CITY:			THE COLONY
		STATE:			TX
		ZIP:			75056

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PANTERAS CORP
		DATE OF NAME CHANGE:	19901126

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CONCEPT DEVELOPMENT INC
		DATE OF NAME CHANGE:	19870212
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-06-28</periodOfReport>

    <issuer>
        <issuerCik>0000718332</issuerCik>
        <issuerName>PIZZA INN INC /MO/</issuerName>
        <issuerTradingSymbol>PZZI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001183131</rptOwnerCik>
            <rptOwnerName>HAMMETT WILLIAM C JR</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>8350 N. CENTRAL EXPRESSWAY</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 1900</rptOwnerStreet2>
            <rptOwnerCity>DALLAS</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>75206</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>20000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>DIRECTOR STOCK OPTIONS (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>1.87</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2010-06-28</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>9800</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2011-06-28</value>
            </exerciseDate>
            <expirationDate>
                <value>2020-06-28</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>COMMON STOCK</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>9800</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>9800</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeHolding>
            <securityTitle>
                <value>DIRECTOR STOCK OPTIONS (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>1.90</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2010-06-29</value>
            </exerciseDate>
            <expirationDate>
                <value>2019-06-29</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>COMMON STOCK</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>20200</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>20200</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>DIRECTOR STOCK OPTIONS (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>2.32</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2009-07-02</value>
            </exerciseDate>
            <expirationDate>
                <value>2018-07-02</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>COMMON STOCK</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>10000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>10000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Represents director stock options.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Charles R. Morrison as Attorney-In-Fact for William C. Hammett, Jr.</signatureName>
        <signatureDate>2010-06-30</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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