UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): August 15, 2008

SONIC CORP.

(Exact name of registrant as specified in its charter)

Delaware (State or other jurisdiction of incorporation or organization)	0-18859 (Commission File Number)	73-1371046 (I.R.S. Employer Identification No.)
300 Johnny Bench Drive Oklahoma City, Oklahoma (Address of Principal Executive Offices)		73104 (Zip Code)

(405) 225-5000

(Registrant’s telephone number, including area code)

Check the appropriate box below if the form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

[    ]	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
[    ]	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
[    ]	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
[    ]	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 5.02             Departure of Directors or Principal Officers; Election of Directors; Appointment of Principal Officers

(b)            On August 15, 2008, V. Todd Townsend's employment with the Company terminated. Mr. Townsend served as Chief Marketing Officer and Vice President of the Company. 

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	REGISTRANT:
	SONIC CORP.
Date: August 20, 2008	By: /s/ Stephen C. Vaughan
	Stephen C. Vaughan,
	Executive Vice President and Chief Financial Officer