What's New Tonight: Wednesday, May 29th.

8:00 PM EST:

“MasterChef” on FOX. After the final round of auditions, the top 19 contestants are revealed. The contestants take part in the first mystery box challenge and face elimination.

“Melissa & Joey” on ABCFAM. Season 3 Premiere. Joe pursues a new job which scares Mel, causing her to construct various scenarios to show Joe how much her family needs him. Ryder goes on a fieldtrip. Lennox suspects her boyfriend has a new muse.

“The American Baking Competition” on CBS. Series Premiere, featuring amateur bakers who compete for $250,000 and the opportunity to publish their own cookbook. A firefighter turns up the heat, and chocolate bacon is introduced to the judges.

8:30 PM EST:

“Baby Daddy” on ABCFAM. Season 2 Premiere. Ben starts to develop more romantic feelings for Riley, but his history of being a playboy hurts his chances. Tucker tries to date a model. Bonnie uses Emma to get close to an attractive stranger.

“Family Tools” on ABC. Tony tries to get back into the dating game, but Jack learns a disturbing truth about the new girlfriend. Terry doesn’t let Mason drive, so he asks Darren to say something. Stitch might have a crush.

9:00 PM EST:

“MythBusters” on DSC. Battle of the sexes, round 2. The team tests out gender-based myths and clichés, including asking for directions and parallel parking skills.

9:30 PM EST:

“How to Live with Your Parents (For the Rest of Your Life)” on ABC. Polly aspires to get a promotion. Natalie reveals the role she got in the school play.

10:00 PM EST:

“Psych” on USA. Season 7 Finale. Shawn, Gus, Juliet, and Lassiter get grilled by a police consultant about their investigation on a tough case.