Turn, turn, turn
Pete Seeger: The Power of Song
9 p.m., Channel 2This episode of "American Masters" is an authorized look at the folk music legend, now in his late 80s. The profile includes the story of how Seeger was blacklisted from network TV in 1963 because of his activism and views. Bob Dylan and the Dixie Chicks are among those who discuss Seeger's work.
UFO Hunters
10 p.m., History ChannelLooking at space.
House Hunters
10 p.m., HGTVLooking for space.
Ghost Hunters
8, 9, and 10 p.m., Sci FiLooking into space.
ON HOW HER LIFE WAS
Rags to Riches
11 p.m., VH1Far be it from VH1 to let wealthy celebrities forget where they came from. Tonight, the series looks back at Macy Gray, born Natalie Renee McIntyre in Canton, Ohio, in 1967. With her unusual voice, which has shades of Billie Holiday and Tina Turner, Gray has become an unexpected pop diva who has also had a few TV and movie roles.
Project Runway
10 p.m., BravoTim visits the designers at their homes. Because they're not nervous enough.
Pizza Paradise
8 p.m., Travel ChannelChewtopia.
ON DEMAND
Romancing the Stone

This romantic-adventure tale is a direct descendant of "Raiders of the Lost Ark" but neither Michael Douglas nor Kathleen Turner capture the excitement of their ancestor. It'll do until "Indiana Jones" comes along this spring. (PG)
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