Today on TV

Published: Friday, April 1 2005 12:00 a.m. MST

Joan of Arcadia (7 p.m., Ch. 2): Joan has to be a prosecutor in a mock trial.

8 Simple Rules (7 p.m., Ch. 4): C.J. starts teaching.

Bernie Mac (7 p.m., Ch. 13): Isaac Hayes gives Bernie advice about Vanessa's newly discovered musical talent.

NBA (7 p.m., Ch. 14): Warriors at Jazz

Invasion Iowa (7 p.m., Spike): The hoax is revealed in the finale.

JAG (8 p.m., Ch. 2): A Marine is accused of murdering a civilian in Iraq.

Perfect Upset (8 p.m., HBO): Reliving Villanova's amazing triumph over Georgetown in the 1985 NCAA finals.

Battlestar Galactica (8 and 10 p.m., Sci Fi): The conclusion of the two-part season finale. (And it has been renewed for a second season.) Part 1 airs at 7 and 9 p.m.

Numb3rs (9 p.m., Ch. 2): A new murder reopens an old case.

Law & Order: Trial by Jury (9 p.m., Ch. 5): A star basketball player is charged with murder.

Absolutely Fabulous (11 p.m., Oxygen): It's a new episode of this British series: Saffie is back from Africa with a bombshell; Edina is redecorating (and Nathan Lane guest stars as the decorator); and Patsy is still Patsy.