Wednesday on TV

Undercover Boss (7 p.m., Ch. 2): United Van Lines CEO Rich McClure struggles through physically demanding tasks.

The Middle (7 and 7:30 p.m., Ch. 4): A pair of repeats.

The Voice (7 p.m., Ch. 5): Miranda Lambert performs with finalist Dia Frampton; the winner is revealed.

So You Think You Can Dance (7 p.m., Ch. 13): The top 16 perform.

Franklin & Bash (7 p.m., TNT): Family members sue each other over a baseball.

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Modern Family (8 p.m., Ch. 4): Luke and Manny have their first school dance.

America's Got Talent (8 p.m., Ch. 5): Hopefuls audition for the judges.

Men of a Certain Age (8 p.m., TNT): Owen and Terry team up to make a commercial for the dealership.

Primetime Nightline: Beyond Belief (9 p.m., Ch. 4): Jujue Chang examines the connection between twins.

Love in the Wild (9 p.m., Ch. 5): The 20 singles pair up and build rafts, which they use to navigate crocodile-infested waters; two people are sent home.