Gretchen Wilson will perform on The Late Show With David Letterman on Monday (Sept. 19) on CBS. ... Trace Adkins will appear as himself on the new NBC sitcom My Name Is Earl on Tuesday (Sept. 20). ... Tom Petty will return as the character of Lucky on King of the Hill's 200th episode on Sunday (Sept. 18) on Fox. ... Lonestar will appear on The View on Friday morning (Sept. 16) on ABC.