Tonight on TV

American Idol (7 p.m., Ch. 13): Kenny Loggins helps judge auditions in Las Vegas.

Smallville (7 p.m., Ch. 30): Under the influence of red kryptonite, Clark elopes with psycho Alicia.

NBA (7 p.m., FSN): Sonics at Jazz

King of Queens (8 p.m., Ch. 2): Doug goes to bartending school.

Alias (8 p.m., Ch. 4): Syd and Vaughn infiltrate a Russian terrorist program.

West Wing (8 p.m., Ch. 5): Presidential rivals Vinick and Santos have a chance encounter at an Iowa motel restaurant.

Simple Life: Interns (8 p.m., Ch. 13): Paris Hilton and Nicole Richie are back. The gimmick? They are supposed to learn different jobs. The bloom is off this rose — what once seemed charming and different now seems phony and stupid.

Kevin Hill (8 p.m., Ch. 24): Kevin represents a college mentor.

Jack & Bobby (8 p.m., Ch. 30): A new episode (finally!) finds Jack dealing with his brutal attack.

Newlyweds (8 p.m., MTV): Is Nick and Jessica's marriage in trouble? Does anyone care?

Wife Swap (9 p.m., Ch. 4): Two bosses trade positions.

Katie Couric Special (9 p.m., Ch. 5): A look at teen sex.