- The Pretender (7 p.m., Ch. 5): Jarod loses his memory when he's knocked in the head and taken captive. (Repeat)

- Style & Substance (7:30 p.m., Ch. 2): Chelsea ends up in possession of one of Jane's family heirlooms.- Dharma & Greg (7:30 p.m., Ch. 4): Kitty isn't exactly celebrating her 50th birthday. (Repeat)

- Countryfest '98 (8 p.m., Ch. 2): Performers include Alabama, Clint Black, Brooks & Dunn, Chris LeDoux, Reba McEntire and Wynonna. (Taped in June)

- Nova (8 p.m., Ch. 7): "Super Bridge" is a fascinating two-hour documentary about the building of an enormous span over the Mississippi. (Repeat)

- Star Trek: Voyager (8 p.m., Ch. 14): Seven of Nine and the doctor must pilot the ship through a dangerous region of space while the rest of the crew is put in suspended animation. (Repeat)

- Whose Line Is It Anyway? (8:30 p.m., Ch. 4): See accompanying story.

- PrimeTime Live (9 p.m., Ch. 4): A report on a comatose 9-year-old boy.

- Law & Order (9 p.m., Ch. 5): Jill Clayburgh guest stars as a defense attorney. (Repeat)