NHL playoffs (5 p.m., ESPN): A conference quarterfinal gameJAG (7 p.m., Ch. 2): Harm assists in a mock trial that uncovers some surprising evidence in an old case. (Repeat)
Who Wants to be a Millionaire? (7 p.m., Ch. 4): Regis Philbin is the host.
That '70s Show (7 p.m., Ch. 13): Eric finds out about Laurie's past. (Repeat)
Buffy the Vampire Slayer (7 p.m., Ch. 30): An old "friend" turns Giles into a demon. (Repeat)
NBA basketball (7 p.m., FSN): Jazz at Nuggets
Dharma & Greg (8 p.m., Ch. 4): Greg decides that golf is the answer to life. (Repeat)
Will & Grace (8 p.m., Ch. 5): Will and Grace are asked to stand up for a pair of friends at their wedding, but it seems that Grace has a past with the groom.
What's Up With the Weather? (8 p.m., Ch. 7): "Frontline" and "Nova" join forces for this two-hour report on what seems to be our increasingly strange weather in the past few years.
Party of Five (8 p.m., Ch. 13): Claudia gets serious about Todd; Charlie has problems at the factory; Adam wants Julia to go to Mexico with him.
The Beat (8 p.m., Ch. 14): Marinelli's in trouble -- and on the desk -- so Dorigan gets a new partner.
Angel (8 p.m., Ch. 30): Angel meets up with a strange woman from a parallel universe. (Repeat)
Judging Amy (9 p.m., Ch. 2): Maxine can't believe it when her old boss is reinstated despite being charged with embezzlement.
NYPD Blue (9 p.m., Ch. 4): Medavoy gets a tip on the Chinese Mafia. (ABC is advising viewer discretion.)
Dateline (9 p.m., Ch. 5): A report on an 11-year-old boy who saved his father's life during a mountain-climbing expedition.