TV highlights: Jerry Seinfeld's 'Comedians in Cars Getting Coffee' returns

Owen connects with a patient who may have served in the military, and Dr. Herman delivers shocking news to Arizona on "Grey's Anatomy" (ABC at 8 p.m.). Because they most likely didn't attend theirs in high school, Amy and Bernadette organize a prom, and Sheldon is rightly suspicious of it on "The Big Bang Theory" (CBS at 8).