“Celebrity Wife Swap,” 7 p.m., ABC (new)
This season comes to a close with the wife of “Rico Suave” singer Gerardo switching places with the wife of “Thong Song” singer Sisq๓. If they have to listen to their husbands' music, I can see why they would want out.
“Masterpiece Mystery!” 8 p.m. to 9:30 p.m., PBS (new)
The season of “Endeavour” ends with an investigation into a hit-and-run death. Also, Morse heads home to visit his father.
“True Blood,” 8 p.m., HBO (new)
Eric tries to save Nora by pledging his loyalty to Bill, while Sam returns to Bon Temps and Jessica shows her gratitude to another prisoner.
“The Killing,” 8 p.m., AMC (new)
Linden deals with the aftermath of her past mistakes, while Holder wrestles with demons.
“Unforgettable,” 8 p.m., CBS (new)
Remember this show? It's back finally for a second season, which sees Al and Carrie (Dylan Walsh and Poppy Montgomery) joining the Major Crimes section of the NYPD.
“Drop Dead Diva,” 8 p.m. to 9:01 p.m., Lifetime (new)
Jane goes for reconciliation when she and Owen represent a professor accused of drug smuggling.
“Dexter,” 8 p.m., Showtime (new)
Dexter and Debra try to keep Dr. Vogel safe after she comes into contact with the Brain Surgeon.
“Crossing Lines,” 9 p.m., NBC (new)
Hickman is taken hostage during the hunt, while the rest of the team tries to figure out the real motive behind the crime.