Spend your day with a boy wizard, a car geek and a fashion icon.
Discovering the Real World of Harry Potter (7 p.m., TRAVEL): This documentary investigates the unique locations, religious rituals and important figures that inspired J.K. Rowling's larger-than-life books and tours the set of the "Sorcerer's Stone" film. Can't get enough Harry Potter? Tune into ABC at 8 p.m. for another documentary, "J.K. Rowling: A Year in the Life."
The Fashion Show (10 p.m., BRAVO): The remaining designers battle it out for the $125,000 prize in Part I of the show's two-part finale. You'll have to wait for Part II, but in the meantime,
Late Night with Jimmy Fallon (12:35 a.m., NBC): A late, late night battle ensues! Fallon's guests include Gilmore Girls actress Lauren Graham, to promote her new film The Answer Man; comedian Bill Engvall, who is on tour this summer; and the Jonas Brothers, who just released Lines, Vines and Trying Times.