"Little People, Big World" (7 p.m., TLC): The Roloff family begins a fifth season with a new farm attraction and, at 7:30, Molly's first high school formal.

"Latin Music USA" (9 p.m., WTTW-Channel 11): This documentary series starts with the rise of Latin jazz and the salsa revolution.

"Gone Too Far" (9 p.m., MTV): The drug intervention series featuring the late DJ AM is presented "with much respect," says the network. Some might choose the word "exploitation."

"Castle" (9 p.m., WLS-Channel 7): Nathan Fillion's quirk factor has been turned down this season, and he seems to have the only non-angst-ridden teenager on television.

"Million Dollar Listing" (10 p.m., Bravo): The third season of the guilty pleasure follows Josh, Madison and Chad as they struggle to adapt to the economic downtown. And have back hair removed.