“The Sound of Music” (7 p.m., ABC): The hills are once again alive with “The Sound

“The Sound of Music” (7 p.m., ABC): The hills are once again alive with “The Sound of Music” as the Julie Andrews classic returns. We love it almost as much as we love raindrops on roses and whiskers on kittens.

“Boys and Girls — In a Class of Their Own” (9 p.m., Nickelodeon): Journalist Linda Ellerbee examines the benefits and drawbacks of single-gender education in “Boys and Girls — In a Class of Their Own?” Let’s hope it doesn’t feel like homework. 9 p.m., Nickelodeon.

“Snoop Dogg’s Fatherhood” (10:30 p.m., E!): In tonight’s edition of “Snoop Dogg’s Fatherhood,” Shante urges Snoop to take ballroom-dancing lessons. Do you sense impending disaster?