Friday's TV Highlights: Ariel may have serious boy trouble on 'Medium'
STEADY: Ariel's boyfriend (Matt Prokop, left) is suspected of a murder investigated by Scanlon and Allison (David Cubitt, Patricia Arquette) in this new episode of 'Medium' (9 p.m. CBS).
Law & Order: A key witness in a murder trial is found dead in her hotel, drawing detectives into in a spiraling case that unravels into an intricate conspiracy (8 p.m. NBC).
Smallville: Superhero twins Jayna and Zan (Allison Scagliotti and David Gallagher) come to Metropolis to help the Blur fight crime but end up landing Clark (Tom Welling) in hot water after they botch several rescues (8 p.m. KTLA).
Ugly Betty: Hilda and Betty (Ana Ortiz, America Ferrera) learn that a one-time "bad boy" (Adam Rodriguez), who was an old flame of Hilda's and crush of Betty's, is teaching at Justin's (Mark Indelicato) school (9 p.m. ABC).
Bill Moyers Journal: Actress-playwright Anna Deavere Smith discusses her one-woman play "Let Me Down Easy," spotlighting the personal stories of people facing illness and mortality (9 p.m. KCET).
Invitation Only: Tim McGraw: Country star Tim McGraw performs (9 p.m. Country Music Television).
Monk: Monk attempts to save the wedding of someone close to him by finding out who is trying to sabotage it and why (9 p.m. USA).
Numb3rs: Agent Edgerton (Lou Diamond Phillips) is the prime suspect in a murder when the informant he met with winds up dead (10 p.m. CBS).
Now on PBS: The news magazine series looks at the economic paradox of the stock market rebound while one out of every six workers is unemployed or underemployed, the highest figure since the Great Depression. (10:30 p.m. KCET).
Woman of the Year: Katharine Hepburn and Spencer Tracy -- in their first screen teaming -- play journalists whose dedication to work causes trouble at home in director George Stevens 1942 romantic comedy (3 p.m. TCM).
The Time Machine: This 2002 retelling of the classic H.G. Wells story was directed by one of the author's descendants, Simon Wells (6:20 p.m. Cinemax).
Mad Max: Mel Gibson stars as a police officer whose family is murdered by a group of lawless bikers in a post-apocalypse Australian wasteland in this violent 1979 import (8 p.m. AMC). Gibson returns in the stunning, big-budget 1981 sequel "The Road Warrior" (10 p.m. AMC)
The Longest Yard: Adam Sandler stars in this 2005 remake of the Burt Reynolds comedy. Chris Rock, James Cromwell, Brian Bosworth and Reynolds also star (9 p.m. TNT).
NASCAR racing: Sprint Cup: Checker O'Reilly Auto Parts 500: Practice (11 a.m. ESPN2); Qualifying (2:30 p.m. ESPN2).
Hockey: The Ducks visit the Columbus Blue Jackets (4 p.m. FS Prime); the Kings visit the Atlanta Thrashers (4:30 p.m. FSN).
Basketball: The Atlanta Hawks visit the Boston Celtics (5 p.m. ESPN); the Lakers visit the Denver Nuggets (7:30 p.m. KCAL and ESPN); the Toronto Raptors visit the Clippers (7:30 p.m. FS Prime).
College football: West Virginia at Cincinnati (5 p.m. ESPN2).
High school football: Cathedral visits Gardena Serra (7:30 p.m. FSN).
Photo: Sonja Flemming / CBS