-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 Wj/QMaU7tvRBlVYRx0+ny1i2AzQWbP7G5J7ORbODXfPg3DAtVTiP+Xxjhd+HkBQ9
 9Mfo+mfqKoT/P8nCsbfr2A==

<SEC-DOCUMENT>0001181580-09-000024.txt : 20090602
<SEC-HEADER>0001181580-09-000024.hdr.sgml : 20090602
<ACCEPTANCE-DATETIME>20090602112328
ACCESSION NUMBER:		0001181580-09-000024
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20090529
FILED AS OF DATE:		20090602
DATE AS OF CHANGE:		20090602

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			JOHNSON STEVEN MICHAEL
		CENTRAL INDEX KEY:			0001235832

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-12919
		FILM NUMBER:		09867238

	MAIL ADDRESS:	
		STREET 1:		1551 WATERFRONT PARKWAY, SUITE 310
		CITY:			WICHITA
		STATE:			KS
		ZIP:			67206

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>2009-05-29</periodOfReport>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001235832</rptOwnerCik>
            <rptOwnerName>JOHNSON STEVEN MICHAEL</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>3551 PLANO PARKWAY</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>THE COLONY</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>75056</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2009-05-29</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>6400</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>1.55</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>29947</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2009-06-01</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>53</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>1.55</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>30000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes></footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Charles R. Morrison as Attorney-In-Fact for Steven Michael Johnson</signatureName>
        <signatureDate>2009-06-02</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----
