SPOTLIGHT

'20/20'

9 p.m. on ABC

In the run-up to Sunday night's Oscars, a special looks at the early careers of this year's nominees. Robin Roberts anchors the hour, which promises never-seen photos and newly uncovered video.

 

NEW TONIGHT

'Nature'

7 p.m. on PBS

It's whale night on public TV, as three episodes of "Nature" explore "Ocean Giants."

 

'American Idol'

7 p.m. on Fox

After one last sing-off, the first group of semifinalists is revealed.

 

'The Middle'

7 p.m. on ABC

The Heck kids think their parents are too controlling.

 

'Criminal Minds'

8 p.m. on CBS

Home invasions appear to be gang-related.

 

'One Tree Hill'

8 p.m. on the CW

Haley seeks help from Lucas (Chad Michael Murray, returning as a guest star) as Nathan (James Lafferty) tries to escape.

 

'Modern Family'

8 p.m. on ABC

Gloria discovers a secret Claire has been keeping.

 

'CSI'

9 p.m. on CBS

Julie (new regular Elisabeth Shue) shows she's got the right stuff as a blood spatter analyst.

 

'Top Chef Texas'

9 p.m. on Bravo

The competition heads toward next week's finale.