Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0287
Expires: January 31, 2005
Estimated average burden hours per response... 0.5

(Print or Type Responses)
1. Name and Address of Reporting Person *
FOLTA CARL D
  2. Issuer Name and Ticker or Trading Symbol
VIACOM INC [CBS, CBS.A]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
EVP, Office of the Chairman
(Last)
(First)
(Middle)
51 WEST 52ND STREET
3. Date of Earliest Transaction (Month/Day/Year)
12/31/2005
(Street)

NEW YORK, NY 10019
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
CBS Class B common stock 12/31/2005   A   32 A (1) 32 I By 401(k)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number. SEC 1474 (9-02)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Employee Stock Option (right to buy) (2) $ 11.9755 01/03/2006   A   24,430     (3) 08/01/2007 CBS Class B common stock 24,430 (4) 24,430 D  
Employee Stock Option (right to buy) (2) $ 32.9326 01/03/2006   A   19,544     (3) 08/01/2009 CBS Class B common stock 19,544 (4) 19,544 D  
Employee Stock Option (right to buy) (2) $ 54.9694 01/03/2006   A   4,886     (3) 08/01/2010 CBS Class B common stock 4,886 (4) 4,886 D  
Employee Stock Option (right to buy) (2) $ 43.3473 01/03/2006   A   14,658     (3) 01/31/2011 CBS Class B common stock 14,658 (4) 14,658 D  
Employee Stock Option (right to buy) (2) $ 31.0184 01/03/2006   A   17,101     (3) 01/30/2012 CBS Class B common stock 17,101 (4) 17,101 D  
Employee Stock Option (right to buy) (2) $ 29.3537 01/03/2006   A   15,191     (5) 01/26/2013 CBS Class B common stock 15,191 (4) 15,191 D  
Employee Stock Option (right to buy) (2) $ 30.8849 01/03/2006   A   19,544     (3) 01/29/2013 CBS Class B common stock 19,544 (4) 19,544 D  
Employee Stock Option (right to buy) (2) $ 31.7173 01/03/2006   A   19,544     (3) 01/28/2014 CBS Class B common stock 19,544 (4) 19,544 D  
Restricted Share Units (6) 01/03/2006   A   2,745     (6)   (6) CBS Class B common stock 2,745 (7) 2,745 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
FOLTA CARL D
51 WEST 52ND STREET
NEW YORK, NY 10019
      EVP, Office of the Chairman  

Signatures

 /s/ Folta, Carl D.   01/04/2006
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) In the Merger each grant of stock options to buy Viacom Class B common stock was converted into a number of stock options to buy CBS Corporation Class B common stock determined by multiplying the number of outstanding stock options included in the grant before the Merger by 1.273438. The per share exercise price of the converted stock options was determined by dividing the pre-Merger exercise price by 1.273438.
(2) Right to buy under Issuer's long term incentive plan.
(3) Current.
(4) In the Merger, each grant of stock options to buy Viacom Class B common stock was converted into an equal number of stock options to buy CBS Corporation Class B common stock and New Viacom Class B common stock determined by multiplying the number of outstanding stock options included in the grant before the Merger by 0.488609. The per share exercise price of the converted stock options was determined by dividing the pre-Merger exercise price by 1.273438 for the CBS options and by 0.792802 for the New Viacom options.
(5) These options vest in four equal annual installments beginning on January 26, 2006.
(6) Each Restricted Share Unit was the economic equivalent of one share of Viacom Class B common stock. The Restricted Share Units will vest in four equal annual installments beginning on January 26, 2006 and will be settled by delivery of a corresponding number of shares upon vesting, as described in the following footnote.
(7) In the Merger each grant of Restricted Share Units of Viacom Class B common stock was converted into a number of Restricted Share Units of CBS Corporation Class B common stock determined by multiplying the number of restricted share units included in the grant before the Merger by 1.273438.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.