JAG (7 p.m., Ch. 2): Chegwidden wants to know why a Medal of Honor recipient was left out of a White House ceremony.
Buffy the Vampire Slayer (7 p.m., Ch. 24): A demon's spell makes Buffy believe her mother is alive and Dawn never existed.
Watching Ellie (7:30 p.m., Ch. 5): Ellie is jealous when her boyfriend and his wife get together. Poor thing.
Undeclared (7:30 p.m., Ch. 13): The first (and probably last) season finale.
The Guardian (8 p.m., Ch. 2): Two brothers — one bright, the other brain-damaged — face separation when a couple only wants to adopt the former.
Frasier (8 p.m., Ch. 5): Frasier's a nervous wreck when his son competes in the national spelling bee.
24 (8 p.m., Ch. 13): With his family safe, Jack tries to unravel the plot.
Smallville (8 p.m., Ch. 30): One of Lex's old enemies comes to town.
Scrubs (8:30 p.m. Ch. 5): Cox's ex-wife reappears to stir up more trouble.