"Bob Barker: A Celebration of 50 Years in Television" (8 p.m., CBS): This hourlong special does

"Bob Barker: A Celebration of 50 Years in Television" (8 p.m., CBS): This hourlong special does exactly what its title suggests -- celebrate the career of man who will retire as "The Price Is Right" host next month. Plenty of classic game-show moments and warm recollections are featured.
"Smallville" (8 p.m., CW): In the shortest marriage since Britney Spears' first "I do," Lana tells Lex that it's over between them.
"Ugly Betty" (8 p.m., ABC): Betty and her beau's relationship heats up, although she's in another country. Now that's quite a connection.
"The Office" (8 p.m., NBC): Jim, Michael and Karen vie for the same job. Since Jim and Michael are the heart of the show, looks like Karen will have a new job.
"Scrubs" (9 p.m., NBC): J.D. wants his Baby Mama to move into his pad.
"Grey's Anatomy" (9 p.m., ABC): On a night crammed with season finales, "Grey's Anatomy" figures to get a big share of the attention. Will Christina and Burke's wedding go off as planned? Will George's infidelities with Izzie lead to a split with Callie? And will all the interns pass their exams?