Friday's TV Highlights: 'Chinatown' on Cinemax
Dangerous Encounters With Brady Barr: Your intrepid host tangles with bears in the wilds of Alaska and Canada in this new episode (6 and 9 p.m. National Geographic).
Who Do You Think You Are? Brooke Shields learns about her family history in this repeat (8 p.m. NBC).
Need to Know: Campaign financing, the Wall Street bailout and Louisiana's threatened coastline are among the topics considered in this new edition of the newsmagazine (9 p.m. KCET).
Man, Woman, Wild: Myke and Ruth are stranded on a desert island without access to drinkable water in this new episode (9 p.m. Discovery).
Flashpoint: The unit goes up against a group of illegal weapons dealers in this new episode of the action drama (10 p.m. CBS).
Beyond Survival With Les Stroud: Our hero goes spearfishing in shark-infested waters off Malaysia (10 p.m. Discovery).
Rachael's Vacation: Ms. Ray seeks out eco-friendly restaurants in this new episode (11 p.m. Food).
The Wilde Ones: Design maven Richard Wilde is saluted by former acolytes in this documentary special (11:40 p.m. Sundance).
Camp Rock 2: The Final Jam: The Jonas Brothers and Demi Lovato get a groove on in this family-friendly 2010 musical sequel (8 p.m. Disney).
Zack and Miri Make a Porno: Seth Rogen and Elizabeth Banks get a groove on in Kevin Smith's family-unfriendly 2008 comedy (10 p.m. TMC).
Burnt Offerings: Karen Black and Oliver Reed star in this creepy 1976 terror tale (11 p.m. TCM).
Tennis: Play continues at the U.S. Open in Flushing, N.Y. (8 a.m. Tennis; 10 a.m. and 4 p.m. ESPN2).
Baseball: The Angels visit the Athletics (7 p.m. FSN); and the Dodgers face the Giants (7 p.m. FS Prime).
Photo credit: Paramount Pictures