TV highlights: 'Now That's Funny!' goes behind the scenes of your favorite comedy

(All times Eastern.)Hosted by actress Aisha Tyler, "Now That's Funny! On Set With TV's Hottest Comedies" (CBS at 8 p.m.) offers a behind-the-scenes peek at hit comedies "The Big Bang Theory," "Modern Family," "Parks and Recreation" and "Episodes." Also features interviews with lead actors, brainstorming sessions in the writers' room and table readings.