TV highlights: 'Teen Wolf' returns for Season 4 on MTV

"The Bachelorette" (ABC at 8 p.m.) tries to trick us into missing "The Amazing Race" even more than we already do when Andi and the remaining bachelors jet off to Italy for the next leg of their European excursion. Also, in what I'm sure will be an extraordinary moment in television history, six of the men face lie-detector tests.