"The Real Housewives of Orange County" (10 p.m., Bravo): Don't expect harried women scrubbing floors

"The Real Housewives of Orange County" (10 p.m., Bravo): Don't expect harried women scrubbing floors by hand. The "real" housewives in this new unscripted series live in a tony Southern California planned community, where diamond parties and Botox are part of the scenery. The cameras follow five women as they juggle the demands of home, work and the appearance of a perfect life.
"Nova: Einstein's Big Idea" (8 p.m., PBS): Everybody's heard of it, but what does the world's most famous equation (E=mc2) really mean? This show dramatizes the stories of the men and women whose innovative thinking across four centuries led finally to Einstein's bold breakthrough.