Wednesday, Feb. 22

Nature, 8 p.m., PBS (check listings)

Tonight, “Why size matters in the world of whales; similarities between whales and dolphins and humans; the songs of humpbacks and sperm whales.” I love whales. Now you know.

20/20, 10 p.m., ABC

“Robin Roberts examines the early lives and careers of the 2012 Oscar nominees and showcases photos, home videos and interviews with former co-stars and friends.” Really? Is there anything about George Clooney or Meryl Streep we don’t know?

Restaurant: Impossible, 10 p.m., Food

“A dirty Italian eatery has not been cleaned in 25 years.” Am I wrong, or don’t our tax dollars pay people to inspect these places more often than once every 25 years?

About this column: With so many channels and so little time, it's hard to know what to watch on TV every night. Elissa Bass is here to help you decide.