EXHIBIT 99.4


     GUARANTEE,  dated as of December 15, 1994,  made by Viacom Inc., a Delaware
corporation  (the  "Guarantor"),  in favor of the holders of the 7% Subordinated
Debentures,  Series  B,  due  July  1,  2003  (the  "Debentures")  of  Paramount
Communications Inc. ("Paramount").

                              W I T N E S S E T H:
                              --------------------

     SECTION 1. Guarantee.  The Guarantor hereby unconditionally  guarantees the
punctual  payment  when due,  whether at stated  maturity,  by  acceleration  or
otherwise,  of the principal of, premium, if any, and interest on the Debentures
(the  "Obligations"),  according  to the  terms  of su tures  and as more  fully
described in the Indenture,  dated as of April 15, 1973,  between  Paramount (as
successor  to Gulf & Western  Inc.)  and The Chase  Manhattan  Bank,  N.A.  (the
"Trustee"), as trustee (as amended, modified or otherwise supplemented from time
to time, the "Indenture").

     SECTION  2.  Guarantee   Absolute.   The  Guarantor   guarantees  that  the
Obligations will be paid strictly in accordance with the terms of the Indenture,
regardless  of any law,  regulation  or order now or  hereafter in effect in any
jurisdiction  affecting any of such terms or the rights holder of the Debentures
with respect thereto.  The liability of the Guarantor under this Guarantee shall
be absolute and unconditional irrespective of:

     (i) any lack of validity or  enforceability  of the  Indenture or any other
agreement or instrument relating thereto;

    (ii) any change in the time, manner or place of payment of, or in any other
term of, all or any of the  Obligations,  or any other amendment or waiver of or
any consent to departure from the Indenture;

   (iii) any exchange,  release or  non-perfection  of any collateral,  or any
release  or  amendment  or  waiver of or  consent  to  departure  from any other
guaranty, for all or any of the Obligations; or

    (iv) any other  circumstance  which might  otherwise  constitute  a defense
available to, or a discharge of, Paramount, or a guarantor.

     SECTION 3. Waiver.  The  Guarantor  hereby waives  diligence,  presentment,
demand  of  payment,  filing  of  claims  with a court in the event of merger or
bankruptcy of Paramount,  any right to require a proceeding  filed first against
Paramount,  protest  or  notice  with  respect  to the  Deb or the  indebtedness
evidenced thereby and all demands whatsoever.



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     SECTION 4. No waiver; Remedies. No failure on the part of any holder of the
Debentures to exercise,  and no delay in exercising,  any right  hereunder shall
operate as a waiver  thereof;  nor shall any single or partial  exercise  of any
right  hereunder  preclude  any other or further  thereof or the exercise of any
other right.  The remedies  herein  provided are cumulative and not exclusive of
any remedies provided by law.

     SECTION 5. Continuing Guarantee;  Transfer of Interest. This Guarantee is a
continuing  guaranty  and shall (i) remain in full  force and  effect  until the
earliest to occur of (A) the date on which the Guarantor shall  consolidate with
or merge into  Paramount or any successor  there the date on which  Paramount or
any successor thereto shall consolidate with or merge into the Guarantor and (C)
payment in full of the  Obligations,  (ii) be binding  upon the  Guarantor,  its
successors and assigns,  and (iii) inure to the benefit of and be enforceable by
any  holder  of  Debentures,   the  Trustee  and  their  respective  successors,
transferees, and assigns.

     SECTION  6.  Subordination.  The  payment  of the  Obligations  under  this
Guarantee is hereby expressly  subordinated to all Senior Guarantor  Obligations
(as such term is defined in the Indenture, dated as of September 15, 1991, among
Viacom  International  Inc.  ("Viacom  International"  suer, the  Guarantor,  as
guarantor, and The Bank of New York ("BONY"), as trustee, as supplemented by the
First  Supplemental  Indenture  dated as of  September  15,  1991  among  Viacom
International,  the  Guarantor,  and BONY,  and as further  supplemented  by the
Second  Supplemental  Indenture  dated  as  o  f  March  4,  1992  among  Viacom
International,  the Guarantor,  and BONY) of the Guarantor to the same extent as
the guarantees of the Guarantor of the 9-1/8% Senior Subordinated Notes due 1999
of Viacom  International,  8-3/4%  Senior  Subordinated  Reset Notes due 2001 of
Viacom  International and 10- 1/4% Senior  Subordinated Notes due 2001 of Viacom
International  (collectively,  the "VII  Senior  Subordinated  Guarantees")  are
subordinated to such Senior Guarantor  Obligations and this Guarantee shall rank
pari passu with the VII Senior Subordinated Guarantees.

     SECTION 7. Reinstatement.  This Guarantee shall continue to be effective or
be  reinstated,  as the case may be,  if at any time any  payment  of any of the
Obligations  is  rescinded  or must  otherwise  by returned by any holder of the
Debentures  or  the  Trustee  upon  the  insolvency,  ban or  reorganization  of
Paramount or otherwise, all as though such payment had not been made.

     SECTION 8.  Amendment.  The Guarantor may amend this  Guarantee at any time
for any  purpose  without  the  consent  of the  Trustee  or any  holder  of the
Debentures.

     SECTION  9.  Governing  Law.  THIS  GUARANTEE  SHALL BE  GOVERNED  BY,  AND
CONSTRUED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW YORK,  WITHOUT REGARD
TO THE PROVISIONS THEREOF RELATING TO CONFLICT OF LAWS.



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     IN WITNESS  WHEREOF,  the  Guarantor  has caused this  Guarantee to be duly
executed and delivered by its officer  thereunto duly  authorized as of the date
first above written.

                                                VIACOM INC.


                                                By:  /s/ GEORGE S. SMITH, JR.
                                                   ----------------------------
                                                Name:  George S. Smith, Jr.
                                                Title: Senior Vice President,
                                                       Chief Financial Officer