Oprah Winfrey (4-5 p.m., 6ABC) - Two determined dads never give up.

Ugly Betty (8-9 p.m., 6ABC) - Betty persuades Daniel to use realistically sized women for the magazine's Fashion Week show.

Stakeout (8-10 p.m., MNT17) - Director John Badham's 1987 comedy-adventure pairs Richard Dreyfuss with Emilio Estevez as a likable police duo assigned to keep watch over the former girlfriend of a recently escaped convict (Aidan Quinn).

X Games (9-11 p.m., ESPN) - The 14th edition of the summer X Games gets under way live from Los Angeles with the finals in both Skateboard Big Air and Moto X Best Trick.

Fear Itself (10-11 p.m., NBC10) - When a cattle herder who is lost in the woods for several days returns home, his family quickly realizes something's changed.

Late Show With David Letterman (11:35 p.m.-12:35 a.m., CBS3) - Actor Luke Wilson; actress Mindy Kaling; performance artist Michael Lauziere.

The Tonight Show With Jay Leno (11:35 p.m.-12:35 a.m., NBC10) - Actress Rosie Perez; Robin Thicke performs.

Jimmy Kimmel Live (12:05-1:05 a.m., 6ABC) - Singer Mariah Carey; legal analyst Dan Abrams.

The Late Late Show With Craig Ferguson (12:35-1:35 a.m., CBS3) - Actor Will Ferrell; explorer Jean-Michel Cousteau.