Tonight you will find the season finales of My Name Is Earl and The Office on NBC, Smallville on The WB, Everybody Hates Chris on UPN and American Inventor on ABC. What will you be watching on TV tonight?

Prime Picks

Smallville (WB): Season Finale. Brainiac lets loose a deadly virus but won’t give Clark the vaccine unless he releases Gen. Zod. Lex doesn’t know what to think of his newfound powers. Runs 62 minutes.

CSI: Crime Scene Investigation (CBS): A man thought to have taken the lives of his wife and some of his coworkers barricades himself in a casino hotel room with some hostages.

Without a Trace (CBS): A white girl and a black boy go missing on the same night and Vivian thinks that the media and the FBI will focus on the girl. Jack tries to make that prediction not come true.

Solid Selections

Will & Grace (NBC): Setup for next week’s series finale. Runs 40 minutes.
My Name Is Earl (NBC): Season Finale. Earl attempts to cross the first item on his list. Runs 40 minutes.
The Office (NBC): Season Finale. A charity casino night is held in the warehouse. Runs 39 minutes.

ER (NBC): Two U.S. Army officers come to the ER. Pratt has trouble getting the straight story when two young boys a brought in. Runs 61 minutes and starts a minute before the hour.

Other Options

That ‘70s Show (FOX): Setup for next week’s series finale. Jackie declares her love for Fez and he turns her down.
X-Men: The Last Stand (FOX): Seven-minute preview of the upcoming third installment of the movie franchise.
That ‘70s Show (FOX): Clip show and interviews with the actors and guest stars. Runs 83 minutes.

Primetime (ABC): ABC News investigative reports.

Cable Choices

The Poseidon Adventure (AMC) See the original 1972 disaster flick before the new one hits theaters. Starring Gene Hackman, Ernest Borgnine and Shelley Winters. Runs two and a half hours.

Sports Notes

No NBA playoff games tonight. ESPN has Thursday Night Baseball with the Boston Red Sox playing the New York Yankees. OLN has doubleheader NHL playoff action.