Friday's TV Highlights: 'Medium' on CBS.
INSECURE: Allison suspects her new high-tech security system may be haunted on “Medium” at 9 p.m. on CBS. With Jake Weber and Miranda Carabello.
Ghost Whisperer: Melinda (Jennifer Love Hewitt) investigates the life of an angry murdered ghost bearing a grudge against an evil nanny in this new episode (8 p.m. CBS).
Who Do You Think You Are? Spike Lee heads to Georgia and Texas to determine who owned his slave ancestors, in this new episode (8 p.m. NBC).
Wife Swap: The mother of an Indiana family of goths, who dress in black, decorate their home with skulls and picnic in graveyards, swaps places with hockey-mom in a family where winning, style and perfect appearances count for a lot (8 p.m. ABC).
Live From Abbey Road: The Killers; Florence and the Machine perform in this new episode (8 p.m. Sundance).
Bill Moyers Journal: In the 90-minute series finale, Jim Hightower discusses the history and legacy of people's movements and author Barry Lopez discusses nature, spirit and the human condition (9 p.m. KCET).
Private Chefs of Beverly Hills: A chef is asked to cook a kosher meal for an Orthodox Jewish family under a rabbi's close scrutiny in this new episode (10 p.m. Food).
Now on PBS: The news magazines series finale covers economic hardships and solutions; the human side of the health-care battle among other stories (10:30 p.m. KCET).
X-Men Origins: Wolverine: Hugh Jackman spins his character off from the other mutants of the "X-Men" stories in this 2009 adventure. Liev Schreiber, Ryan Reynolds, Taylor Kitsch and Danny Huston also star (10 p.m. Cinemax).
Basketball: NBA playoffs: the Atlanta Hawks visit the Milwaukee Bucks (4 p.m. ESPN); the Lakers visit the Oklahoma City Thunder (6:30 p.m. KCAL and ESPN); the Denver Nuggets visit the Utah Jazz (7 p.m. ESPN2).
Baseball: The Angels visit the Detroit Tigers (4 p.m. FSN); the Pittsburgh Pirates visit the Dodgers (7 p.m. FS Prime).
Hockey: NHL playoffs: (4 p.m. VS); (7 p.m. VS).
NASCAR racing: Richmond 250 (4:30 p.m. ESPN2).
Photo: Sonja Flemming / CBS