“Last Tango in Halifax,” 7 p.m., PBS (new)
This show starring Derek Jacobi and Anne Reid premieres with two childhood sweethearts reconnecting on Facebook after 60 years apart.
“Breaking Bad,” 8 p.m. to 9:04 p.m., AMC (new)
Walt has a bad feeling as things heat up in unexpected ways.
“Boardwalk Empire,” 8 p.m., HBO (new)
The fourth season kicks off with Nucky trying to make peace with Joe Masseria and helping Chalky clean up after an incident.
“Dexter,” 8 p.m., Showtime (new)
Dexter needs help from Dr. Vogel to set a trap for the Brain Surgeon. Later, Dexter watches as someone important in his life is murdered.
“The Newsroom,” 9 p.m., HBO (new)
Will is in charge of morale during election night coverage — so that ought to end well. Also, Sloan's book is auctioned with a forged signature.
“Devious Maids,” 9:01 p.m. to 10:02 p.m., Lifetime (new)
While Marisol gets a little closer to the truth, Rosie cleans up a big mess for Peri.
“Low Winter Sun,” 9:04 pm. to 10:05 p.m., AMC (new)
A low-level murder is linked to McCann, while Damon's ambitions have a high price to pay.