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

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1. Name and Address of Reporting Person * Zaslav David   2. Issuer Name and Ticker or Trading Symbol Discovery Communications, Inc. [DISCA] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Chief Executive Officer; Pres. (Last) (First) (Middle) ONE DISCOVERY PLACE 3. Date of Earliest Transaction (Month/Day/Year) 01/16/2009 (Street) SILVER SPRING, MD 20910 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 Series A Common Stock 01/16/2009(1)   M   1,190,197 A $ 14.81 1,190,197 D   Series A Common Stock 01/16/2009(1)   D   1,190,197 D $ 15.78 0 D

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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

DAP Unit (stock appreciation right)

$ 14.81

01/16/2009

M

1,190,187

01/02/2008(2)

01/02/2011

Series A Common Stock

1,190,187

$ 0

2,380,406

D

DAP Unit (stock appreciation right)

$ 22.91

01/16/2009

M

298,980 (3)

01/02/2009(4)

01/02/2012

Series A Common Stock

298,980

$ 0

896,943

D

DAP Unit (stock appreciation right)

$ 14.34

01/16/2009

A

1,489,177

01/02/2010(5)

01/02/2013

Series A Common Stock

1,489,177

$ 0

1,489,177

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Zaslav David ONE DISCOVERY PLACE SILVER SPRING, MD 20910	X		Chief Executive Officer; Pres.

Signatures

/s/ Joseph A. LaSala, Jr., by power of attorney		01/21/2009
**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)	The DAP Units in respect of these shares of stock vested and became payable on January 2, 2009. Under the terms of the DAP, however, the amounts payable in respect of the vested units could not be calculated until 10 trading days had passed from the vesting date.
(2)	The DAP Units vest in four equal annual installments beginning January 2, 2008. On each vesting date, the vested DAP Units are automatically settled in cash.
(3)	No amounts were payable in respect of these DAP units because the beginning unit value of $22.91 per Unit exceeded the ending unit value of $15.78 per Unit.
(4)	The DAP Units vest in four equal annual installments beginning January 2, 2009. On each vesting date, the vested DAP Units are automatically settled in cash.
(5)	The DAP Units vest in four equal annual installments beginning January 2, 2010. On each vesting date, the vested DAP Units are automatically settled in cash.
Remarks: The trading symbols for the Issuer's Series A, Series B and Series C common stock are, respectively, DISCA, DISCB and DISCK.

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