UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 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): May 20, 2004

RED ROBIN GOURMET BURGERS, INC.

(Exact name of registrant as specified in its charter)

Registrant’s telephone number, including area code: (303) 846-6000

5575 DTC Parkway, Suite 110

Greenwood Village, CO 80111

Former name or former address, if changed since last report

Item 7. FINANCIAL STATEMENTS AND EXHIBITS

Item 12. RESULTS OF OPERATIONS AND FINANCIAL CONDITION

On May 20, 2004, Red Robin Gourmet Burgers, Inc. (the “Company”) issued a press release describing selected financial results of the Company for the sixteen weeks ended April 18, 2004. A copy of the press release is attached hereto as Exhibit 99.1 and is being incorporated herein by reference.

The information in this Form 8-K and the Exhibit attached hereto shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 (the “Exchange Act”) or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933 or the Exchange Act, regardless of any general incorporation language in such filing.

SIGNATURES

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