THE GRAHAM NORTON SHOW
BBC America, 11:00 p.m. ET
SEASON PREMIERE: This is the Season 26 premiere for television’s most entertaining talk show, and the one where the talk, more than the clips or stunts, is front and center. Among tonight’s season-opening guests: Dame Helen Mirren, whose visits she always approaches with so much irreverence and honesty, she is nothing like a Dame…