Wednesday's Highlights: 'Breaking In' on Fox
American Idol: The six remaining contestants perform the songs of Carole King in this new episode (8 p.m. Fox).
MythBusters: Adam and Jamie test if it's possible to swim in carbonated water in this new episode (9 p.m. Discovery).
Happy Endings: Damon Wayans guest stars in this new episode as Brad's (Damon Wayans Jr.) father (10 p.m. ABC).
Top Chef Masters: The chefs create breakfast, lunch and dinner for the cast of the unscripted series “The Biggest Loser” without exceeding 1,200 calories in this new episode (10 p.m. Bravo).
South Park: The raunchy animated sitcom returns with new episodes (10 p.m. Comedy Central).
Justified: Raylan (Timothy Olyphant) launches a very personal manhunt in this new episode (10 p.m. FX).
Fact or Faked: Paranormal Files: In the season finale, one team investigates reports of ghostly activity at the Whaley House in San Diego, which has been called one of the most haunted homes in the United States, while another team is in Florida to check out a family's video footage that allegedly shows a mysterious creature living in the Loxahatchee River (10 p.m. Syfy).
Inside the Royal Wedding: This new special documents what happened behind the scenes in the months leading up to Friday's royal wedding of Prince William and Kate Middleton. Matt Lauer and Meredith Vieira host (8 p.m. NBC).
Extreme Royal Collections: This new special visits with folks who have filled their homes with items that celebrate members of the British royal family (10 p.m. TLC).
Baseball: The Dodgers visit the Florida Marlins (9 a.m. FS Prime); the Oakland Athletics visit the Angels (4 p.m. ESPN and FSN).
Bowling: Women's USBC Queens (4 p.m. ESPN2).
Basketball: NBA playoffs (4 and 6:30 p.m. TNT).
Hockey: NHL playoffs (4 p.m. VS and 6:30 p.m. VS).
Photo: Jordin Althaus Fox