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 * Alpert-Romm Adria   2. Issuer Name and Ticker or Trading Symbol Discovery Communications, Inc. [DISCA] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) SEVP Human Resources (Last) (First) (Middle) ONE DISCOVERY PLACE 3. Date of Earliest Transaction (Month/Day/Year) 03/26/2010 (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 03/26/2010(1)   M   118,411 A $ 15.65 118,411 D   Series A Common Stock 03/26/2010(1)   M   29,890 A $ 19.65 148,301 D   Series A Common Stock 03/26/2010   D   148,301 D $ 35.45 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 Units

$ 15.65

03/26/2010

M

118,411

03/12/2008(2)

03/12/2011

Series A Common Stock

118,411

$ 0

118,411

D

DAP Units

$ 19.65

03/26/2010

M

29,890

03/12/2009(3)

03/12/2012

Series A Common Stock

29,890

$ 0

59,780

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Alpert-Romm Adria ONE DISCOVERY PLACE SILVER SPRING, MD 20910			SEVP Human Resources

Signatures

/s/ Joseph A. LaSala, Jr., by power of attorney		03/30/2010
**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 March 12,2010. 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)	These DAP Units vest in four equal annual installments beginning March 12, 2008. On each vesting date, the vested DAP Units are automatically settled in cash only.
(3)	These DAP Units vest in four euqal annual installments beginning March 12, 2009. On each vesting date, the vested DAP Units are automatically settled in cash only.
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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