TODAY’S HIGHLIGHTS

SERIES
Dog Whisperer: An aggressive Chihuahua/Pomeranian mix bites and snaps at his owners, twin models Tiffany and Krystle Mataras (6 and 9 p.m. National Geographic).
Visiting… With Huell Howser: The intrepid host visits Chatsworth (7:30 p.m. KCET).
Jamie Oliver’s Food Revolution: Jamie gives high school students a choice between a lunch menu of fresh fare or processed junk food in this new episode (9 p.m. ABC).

Bill Moyers Journal: Authors Simon Johnson and James Kwak (“13 Bankers”) discuss the economic crisis and the process for financial reform (9 p.m. KCET).
The Ricky Gervais Show: A fan asks Karl if he were on a sinking ship and could save one person, would he choose Ricky or Stephen, in this new episode of the animated series (9 p.m. HBO).
Private Chefs of Beverly Hills: The chefs become unwitting participants in a murder-mystery party (10 p.m. Food).
Spartacus: Blood and Sand: In the season finale, the fate of all the gladiators and their Roman masters hangs in the balance as Spartacus (Andy Whitfield) fights former champion Crixus (Manu Bennett) in a match celebrating the political rise of Batiatus (John Hannah). Lucy Lawless also stars (10 p.m. Starz).
NOW on PBS: The investigative reporting series continues its look back at past episodes, leading to the series finale later this month (10:30 p.m. KCET).

SPECIALS
Sea Turtle Odyssey: Dr. Col Limpus studies what happens to loggerhead sea turtle hatchlings in Australia, in this new special (7 and 10 p.m. National Geographic).

SPORTS
Baseball: The Angels visit the Toronto Blue Jays (4 p.m. FSN); the San Francisco Giants visit the Dodgers (7 p.m. KCAL).
Hockey: NHL Playoffs: The Ottawa Senators visit the Pittsburgh Penguins (4 p.m. VS); the Nashville Predators visit the Chicago Blackhawks (6:30 p.m. VS); the Detroit Red Wings visit the Phoenix Coyotes (8 p.m. VS); the Colorado Avalanche visit the San Jose Sharks (9:30 p.m. VS).