<?xml version="1.0"?><ownershipDocument><schemaVersion>X0201</schemaVersion>    <documentType>4</documentType><periodOfReport>2003-11-03</periodOfReport><notSubjectToSection16>0</notSubjectToSection16><issuer><issuerCik>0001049480</issuerCik><issuerName>DOUBLECLICK INC</issuerName>        <issuerTradingSymbol>DCLK</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>0001237861</rptOwnerCik><rptOwnerName>RYAN KEVIN P</rptOwnerName></reportingOwnerId><reportingOwnerAddress><rptOwnerStreet1>DOUBLECLICK INC.</rptOwnerStreet1><rptOwnerStreet2>450 WEST 33RD STREET</rptOwnerStreet2><rptOwnerCity>NEW YORK</rptOwnerCity><rptOwnerState>NY</rptOwnerState><rptOwnerZipCode>10001</rptOwnerZipCode><rptOwnerStateDescription></rptOwnerStateDescription></reportingOwnerAddress><reportingOwnerRelationship><isDirector>1</isDirector><isOfficer>1</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle>Chief Executive Officer</officerTitle></reportingOwnerRelationship></reportingOwner><derivativeTable><derivativeTransaction><securityTitle><value>Non-Qualified Stock Option (right to buy)</value></securityTitle><conversionOrExercisePrice><value>8.44</value></conversionOrExercisePrice><transactionDate><value>2003-11-03</value></transactionDate><deemedExecutionDate></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>A</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>400000</value></transactionShares><transactionPricePerShare><value>0</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><footnoteId id="F1" /></exerciseDate><expirationDate><value>2010-11-03</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>400000</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>400000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeTransaction></derivativeTable><footnotes><footnote id="F1">Twenty-five percent of the option becomes exercisable on November 3, 2004.  The remainder of the option becomes exercisable in 36 equal monthly installments, commencing on December 3, 2004.</footnote></footnotes><remarks></remarks><ownerSignature><signatureName>Pamela Schoenfeld, Attorney-in-Fact</signatureName><signatureDate>2003-11-04</signatureDate></ownerSignature></ownershipDocument>

