UNITED STATES
                  SECURITIES AND EXCHANGE COMMISSION
                        Washington, D.C. 20549


                             SCHEDULE 13G
                          (Amendment No. 11)

               Under the Securities Exchange Act of 1934

                              VIACOM INC.
        -------------------------------------------------------
                           (Name of Issuer)

                 Class A Common Stock, $0.01 Par Value
  ------------------------------------------------------------------
                    (Title of Class of Securities)

                              925524 10 0
        -------------------------------------------------------
                            (CUSIP Number)


Check the following box if a fee is being paid with this statement|_|.
(A fee is not required only if the filing person:  (1) has a previous
statement on file reporting beneficial ownership of more than five
percent of the class of securities  described  in Item 1;  and (2)
has  filed  no  amendment subsequent thereto reporting  beneficial
ownership of five percent or less of such class.) (See Rule 13d-7.)

*The  remainder of this cover page shall be filled out for a reporting
person's initial filing on this form with respect to the subject class
of securities, and for any  subsequent  amendment  containing  information
which  would alter the disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not
be deemed to be "filed" for the purpose of Section 18 of the  Securities
Exchange  Act of 1934 ("Act") or otherwise  subject to the liabilities
of that section of the Act but  shall be  subject  to all other  provisions
of the Act (however,  see the Notes).

                  (Continued on the following pages)

                              Page 1 of 5






CUSIP NO.  925524-10-0

(1)       Name of Reporting Person
          S.S. or I.R.S. Identification No. of Above Person
                    NATIONAL AMUSEMENTS, INC.
          ------------------------------------------------------------
                    I.R.S. Identification No. 04-2261332
          ------------------------------------------------------------

(2)       Check the Appropriate Box if a Member of Group
          (See Instructions)

          /  / (a)----------------------------------------------------

          /  / (b)----------------------------------------------------

(3)       SEC Use Only
                         ---------------------------------------------

(4)       Citizenship or Place of Organization          Maryland
                                                  --------------------
- --------------
Number of           (5)  Sole Voting Power                  46,829,414
  Shares                                          --------------------
Beneficially        (6)  Shared Voting Power                     0
 Owned by                                         --------------------
   Each             (7)  Sole Dispositive Power             46,829,414
Reporting                                         --------------------
Person With         (8)  Shared Dispositive Power                0
- --------------                                    ------------------

(9)       Aggregate Amount Beneficially Owned by Each Reporting Person
                         46,829,414
          ------------------------------------------------------------

(10)      Check if the Aggregate Amount in Row (9) Excludes Certain
          Shares (See Instructions)
                     -------------------------------------------------
(11)      Percent of Class Represented by Amount in Row (9)
                         67.22%
          ------------------------------------------------------------
(12)      Type of Reporting Person (See Instructions)       CO
                                                       ---------------

                                  Page 2 of 5





CUSIP NO.  925524-10-0


(1)       Name of Reporting Person
          S.S. or I.R.S. Identification No. of Above Person
                    SUMNER M. REDSTONE
          ------------------------------------------------------------
                    S.S. No.
          ------------------------------------------------------------
(2)       Check the Appropriate Box if a Member of Group
          (See Instructions)

          /  / (a)----------------------------------------------------
          /  / (b)----------------------------------------------------

(3)       SEC Use Only
                         ---------------------------------------------

(4)       Citizenship or Place of Organization          United States
                                                  --------------------
- --------------
Number of           (5)  Sole Voting Power                46,829,494*
  Shares                                          --------------------
Beneficially        (6)  Shared Voting Power                     0
 Owned by                                         --------------------
   Each             (7)  Sole Dispositive Power            46,829,494*
Reporting                                         --------------------
Person With         (8)  Shared Dispositive Power                0
- --------------                                    ------------------
(9)       Aggregate Amount Beneficially Owned by Each Reporting Person
                         46,829,494*
          ------------------------------------------------------------
(10)      Check if the Aggregate Amount in Row (9) Excludes Certain
          Shares (See Instructions)
                      -----------------------------------------------
(11)      Percent of Class Represented by Amount in Row (9)
                         67.22%
          ------------------------------------------------------------
(12)      Type of Reporting Person (See Instructions)       IN
                                                       ---------------

*  Includes shares owned by National Amusements, Inc.

                                   Page 3 of 5






   The Schedule 13G previously filed by the undersigned with respect to
the Class A Common Stock, par value $0.01 per share (the "Class A
Common Stock"), of Viacom Inc. (the "Company") is hereby amended as
follows:

Item 4.   Ownership.
          ---------

          Item 4 is amended and restated in its entirety as follows:

          (a)       Amount Beneficially Owned: National Amusements,
		    Inc. ("NAI") beneficially  owned  46,829,414
		    shares  of  Class A  Common Stock*;  Sumner
                    M. Redstone  beneficially  owned 46,829,494
                    shares of Class A Common Stock*  (including the
                    shares owned by NAI).

          (b)       Percent of Class: 67.22%

          (c)       Number of shares as to which such person has:

                    (i)       sole power to vote or direct the vote:
			      46,829,414 shares of Class A Common  Stock
                              with respect  to NAI;  46,829,494  shares
                              of Class A Common  Stock with respect to
                              Mr. Redstone (including the shares owned
                              by NAI);

                    (ii)      shared power to vote or direct the vote:
                              None;

                    (iii)     sole power to  dispose  or direct the
                              disposition of: 46,829,414 shares of Class A
                              Common Stock with respect  to  NAI;  46,829,494
                              shares of  Class A Common   Stock  with
                              respect  to  Mr. Redstone (including the shares
                              owned by NAI);

                    (iv)      shared power to dispose or to direct the
                              disposition of: None.




                                   Page 4 of 5



- ----------------------------
*  As of December 31, 1997.








                                   Signatures
                                   ----------

     After reasonable inquiry and to the best of our knowledge and belief,
we certify that the information set forth in this statement is true,
complete and correct. Pursuant to Rule 13d-1(f)(1), we agree that this
statement is filed on behalf of each of us.



Date:  February 13, 1998                     /s/  Sumner M. Redstone
                                             -------------------------
                                                  Sumner M. Redstone,
                                                  Individually




                                             NATIONAL AMUSEMENTS, INC.


                                             /s/  Sumner M. Redstone
                                             -------------------------
                                              Sumner M. Redstone,
                                             Chairman, President and
                                             Chief Executive Officer

                                  Page 5 of 5