“Celebrity Wife Swap,” 7 p.m., ABC (new)
Bristol Palin and Melissa Rivers trade places. I think that's all that needs to be said.
“Skywire Live With Nik Wallenda,” 7 p.m. to 9:20 p.m., Discovery (new)
The daredevil attempts to cross the Grand Canyon on a tightrope. What could go wrong?
“Crossing Lines,” 8 p.m. to 10 p.m., NBC (new)
A disabled former NYPD detective gets an offer to join a team of globe-trotting investigators for the International Criminal Court. Starring William Fichtner and Donald Sutherland.
“Whodunnit?” 8 p.m., ABC (new)
This reality competition pits would-be sleuths against each other to solve a series of murders.
“Masterpiece Mystery!” 8 p.m. to 9:30 p.m., PBS (new)
While Hathaway is away, Lewis gets a new partner to help him investigate the case of an embalmed corpse found in a field.
“The Killing,” 8 p.m., AMC (new)
Bullet tries to find a victim on the run, while Seward doesn't take kindly to surprise visitors.
“Devious Maids,” 9 p.m. to 10:01 p.m., Lifetime (new)
Four maids work for wealthy families in Beverly Hills. A fellow maid is murdered in this series premiere.
“Mad Men,” 9 p.m. to 10:05 p.m., AMC (new)
Don has a problem in this Season 6 finale.