What to Watch on Friday: The Eagles, Josh Groban and Judy Blume

History of the Eagles (8pm, Showtime) - This is part one of a three-hour documentary about the rock band, not the noble bird. Filmmaker Alex Gibney was granted unprecedented access to to the band to produce an inside look at the legacy of Eagles music. Tonight's installment runs two hours and tomorrow's conclusion (also at 8 p.m.) will run one hour.

Malibu Country (8:30pm, ABC) - Reba and Lillie Mae's long-planned weekend getaway gets put on hold when a neighbor's confession shakes things up among the family, and leaves Kim questioning her ability to be a good mother. This sounds sorta serious for a Reba sitcom, doesn't it?

CSI: New York (9pm, CBS) - Mac and the team investigate three twisted tales of love on Valentine's Day. Josh Groban appears and sings "Happy in My Heartache."

Touch (10pm, Fox) - Guillermo continues his hunt for the 36 Righteous Ones, and Jake helps Lucy locate a woman who may be linked to Amelia.

Lincoln's Secret Killer (9pm, National Geographic Channel) - The health of Abraham Lincoln in his final year of life is probed by experts, who perform a DNA analysis on a piece of fabric stained with his blood. Some believe he was dying from a rare form of cancer when he was assassinated.

Rock Center with Brian Williams (10pm, NBC) - Chelsea Clinton interviews author Judy Blume. That's all you need to know. Judy. Blume.

Banshee (10pm, Cinemax) - When a former convict from Lucas' past passes through town, it triggers his memories of a brutal fellow prisoner who was sent by Rabbit to make Lucas' life even more miserable.