Gayle King to appear on "30 Rock"; Newt Gingrich on "Parks and Recreation"

Gayle King is one of many celebrities who will be making a cameo on tonight's "30 Rock."

Kermit the Frog, Florence Henderson and Elaine Stritch will also make appearances on the show.

The episode titled "My Whole Life Is Thunder" will follow Liz (Tina Fey), who accuses Jenna (Jane Krakowski) for stealing her wedding thunder. Jack tries to avoid disappointing Collen (Stritch) and Tracy (Tracy Morgan) tries to raise Kenneth's spirits with the help of Henderson.

"30 Rock" isn't the only NBC show that will feature cameos Thursday night; ex- Presidential candidate and former Speaker of the House Newt Gingrich will be making a cameo on tonight's episode of "Parks and Recreation."