"Identity" (9 p.m., NBC): Comedian-magician Penn Jillette of Penn & amp; Teller hosts this prime-time mind game offering contestants the chance to win 500,000. Armed with perception,

"Identity" (9 p.m., NBC): Comedian-magician Penn Jillette of Penn & amp; Teller hosts this prime-time mind game offering contestants the chance to win 500,000. Armed with perception, instinct and hopes for a big payoff, a player must match 12 strangers to 12 descriptions, such as a profession or clothing size. Each correct match increases the amount of accumulated cash. If all 12 are matched correctly, the grand prize is awarded. After Monday, the show airs every night at 8 through Friday. Starting next week, it airs Tuesdays at 8 p.m.
"A Perfect Day" (8 p.m., TNT): Rob Lowe and Paget Brewster star in "A Perfect Day," a new made-for-cable film about an author who strikes gold with a best-selling book, but soon loses sight of what's really important. Brace yourself for heartwarming holiday-themed life lessons. Frances Conroy and Christopher Lloyd also star.
"The Gospel of Judas" (9 p.m., National Geographic Channel): Writings possibly from the betrayer of Jesus are examined.