TV highlights: The 2013 American Music Awards Sunday night on ABC

TV HIGHLIGHTS From award-winning filmmaker John Downer, "Penguins: Waddle All the Way" (Discovery at 9 p.m.) dedicates two hours to exploring the secrets of the elusive world of penguins. The film, which uses specially designed equipment, such as penguin "spy" cameras, gives viewers unprecedented access to these feisty and adorable birds.