EXHIBIT 99.4
                                                                    ------------

                            FORM OF LETTER TO CLIENTS

                                Offer to Exchange
                            11% Senior Notes due 2009
           that have been registered under the Securities Act of 1933
                           for any and all outstanding
                            11% Senior Notes due 2009
                                       of
                                  SBARRO, INC.

To Our Clients:

         We are enclosing herewith a Prospectus, dated ________, 2000, of
Sbarro, Inc. (the "Company") and a related Letter of Transmittal (which together
constitute the "Exchange Offer") relating to the offer by the Company to
exchange its 11% Senior Notes due 2009 that have been registered under the
Securities Act of 1933 (the "Securities Act") for the same principal amount of
its issued and outstanding 11% Senior Notes due 2009 (the "Original Notes") upon
the terms and subject to the conditions set forth in the Exchange Offer.

         Please note that the Exchange Offer will expire at 5:00 p.m., New York
City time, on _________, 2000, unless extended.

         The Exchange Offer is not conditioned upon any minimum number of
Original Notes being tendered.

         We are the holder of record and/or participant in the book-entry
transfer facility of Original Notes held by us for your account. A tender of
such Original Notes can be made only by us as the record holder and/or
participant in the book-entry transfer facility and pursuant to your
instructions. The Letter of Transmittal is furnished to you for your information
only and cannot be used by you to tender Original Notes held by us for your
account.

         We request instructions as to whether you wish to tender any or all of
the Original Notes held by us for your account pursuant to the terms and
conditions of the Exchange Offer and that you confirm that we may on your behalf
make the representations contained in the Letter of Transmittal. Please complete
and sign the enclosed "Instructions to Registered Holder and/or Book-Entry
Transfer Participant from Beneficial Owner," which will provide us with such
instructions and confirmation.

                                                            Very truly yours,