"I Have Tourette's, But Tourette's Doesn't Have Me" (7:30 p.m., HBO): This is a valuable new

"I Have Tourette's, But Tourette's Doesn't Have Me" (7:30 p.m., HBO): This is a valuable new documentary that sheds light on the baffling neurological disorder -- with its repetitive, involuntary vocal and motor tics -- by focusing on children who address the challenges it presents and speak of the emotional impact of being teased and ridiculed by fellow students.
"Biography" (8 p.m., AMC): The series takes a look at the Perdue family -- Arthur, Frank and Jim -- who turned a relatively bland product like chicken into a billion-dollar industry through their self-depracating advertisements.
"Trading Spaces (9 p.m., TLC): A pair of Philadelphia pals try to redo each other's living rooms as the sixth season gets under way.