Wednesday’s TV highlights

SERIES

American Idol: The three finalists each perform three songs in this new episode (8 p.m. Fox).

America’s Next Top Model: Jay Manuel helps the judges select the winner in the season finale (9 p.m. KTLA).

MythBusters: Adam and Jamie try to determine whether it’s possible to make a car do the tricks they do in the movies: Can guns mounted on the hood of a car fire accurately enough to hit a target, and is it possible to shred another vehicle’s tires with a hub-mounted device (9 p.m. Discovery).

Criminal Minds: Suspect Behavior: The team’s quarry in this new episode is a killer who isn’t satisfied just taking people’s lives but also disfigures their faces. Forest Whitaker, Janeane Garofalo and Michael Kelly star in this new episode (10 p.m. CBS).

South Park: Potentially embarrassing personal information is made public in this new episode of the raunchy animated series (10 p.m. Comedy Central).

MOVIES

Nanny McPhee Returns: The literally magical nanny (Emma Thompson) is summoned to help a woman (Maggie Gyllenhaal) tend to her children while her husband is away on military duty. Maggie Smith, Ralph Fiennes and Rhys Ifans also star in this 2010 treat (6 p.m. HBO).

SPORTS

Cycling: Tour of California, Stage 4 (2 and 9 p.m. VS).

Baseball: The Colorado Rockies visit the Philadelphia Phillies (4 p.m. ESPN); the Chicago Cubs visit the Florida Marlins (4 p.m. WGN A); the Angels visit the Seattle Mariners (7 p.m. FSN); the San Francisco Giants visit the Dodgers (7 p.m. FS Prime).

Women’s Soccer: United States versus. Japan (4 p.m. ESPN2).

Basketball: NBA playoffs: The Miami Heat visit the Chicago Bulls (5:30 p.m. TNT).

Hockey: NHL playoffs: The San Jose Sharks visit the Vancouver Canucks (6 p.m. VS).