“The Big Bang Theory” 7 p.m., CBS (New, season finale)
Howard and Bernadette rush to get married before his NASA mission.
“Person of Interest” 8 p.m., CBS (New)
Finch (Michael Emerson) finds a lot of in common with their newest number, who has run afoul of the government. Meanwhile, Reese learns about Finch’s past.
“Grey’s Anatomy” 8 p.m., ABC (New)
The residents make their post-residency decisions. Ben has special plans for Bailey, but she’s preoccupied with work.
“Antiques Roadshow” 8 p.m., PBS (New)
The first installment of a Minneapolis visit features a fancy yellow diamond ring with a staggering value.
“Parks and Recreation” 8:30 p.m., NBC (New, season finale)
It’s finally election day in Pawnee and the race between Leslie (Amy Poehler) and her opponent (Paul Rudd) is a dead heat. Cee Lo Green makes a cameo appearance.
“The Mentalist” 9 p.m., CBS (New)
Jane receives a message from Red John on the anniversary of the deaths of Jane’s wife and daughter. This distracts Jane, who is supposed to be helping with the murder of a brokerage firm employee.
“Scandal” 9:01 p.m., ABC (New)
As Gideon investigates Amanda’s past, flashbacks recall a contentious political race, how Olivia and the president met on the campaign trail and how each of Olivia’s associates joined her team.
— Laura King
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