Greater Boston With Emily Rooney 7 p.m. WGBH (Channel 2) Six months after the Marathon bombings, Phillip Martin investigates the unanswered questions that emerged during the manhunt for the Tsarnaev brothers.
Made in Massachusetts
7:30 p.m. WCVB-TV (Channel 5) How the sausage is made — along with how they get sea salt into chocolates and spring rolls into your freezer.
WBUR’s Morning Edition With Bob Oakes 5 a.m. and All Things Considered With
Sacha Pfeiffer 4 p.m. WBUR-FM (90.9)
Morning Edition With Bob Seay 6 a.m. and All Things Considered With Jordan Weinstein 4 p.m. WGBH-FM (89.7)
Boston Public Radio noon WGBH-FM (89.7)
Radio Boston 3 p.m. WBUR-FM (90.9) Gubernatorial hopeful Juliette Kayyem.
Nightside With Dan Rea
8 p.m. WBZ-AM (1030) The deadly mosquito in your yard.
CBS This Morning at 7 a.m. on Chs. 4 and 12.
Good Morning America
at 7 a.m. on Chs. 5, 6, and 9.
Today at 7 a.m. on Chs. 7 and 10; 10 a.m. on Ch. 7.
Live! With Kelly and Michael at 9 a.m. on Chs. 5 and 9;
10 a.m. on Ch. 10. CeeLo Green. Cher Lloyd performs.
The Queen Latifah Show
at 9 a.m. on Ch. 4; 3 p.m. on
Rachael Ray at 10 a.m. on
Ch. 38; 2 p.m. on Ch. 10; 5 p.m. on Ch. 50.
Steve Harvey at 10 a.m. on Chs. 5 and 9.
Bethenny at 11 a.m. on Ch. 25; 3 p.m. on Ch. 12.
The View at 11 a.m. on Chs. 5, 6, and 9.
The Doctors at 2 p.m. on Ch. 7.
The Talk at 2 p.m. on Chs. 4 and 12.
Dr. Phil at 3 p.m. on Ch. 4.
Katie at 3 p.m. on Chs. 5 and 9; 4 p.m. on Ch. 6; 1:07 a.m. on Ch. 6.
The Dr. Oz Show at 3 p.m. on Ch. 10.
The Ellen DeGeneres Show
at 4 p.m. on Chs. 5, 9, and 10. Wanda Sykes; Jared Leto. Fitz and the Tantrums perform.
Charlie Rose at 11 p.m. on Chs. 2 and 11.
The Arsenio Hall Show at
11 p.m. on Ch. 56; midnight on Ch. 64.
The Daily Show With Jon Stewart at 11 p.m. and 1:01 a.m. on COM. Michael Fassbender.
The Tonight Show With Jay Leno at 11:34 p.m. on Chs. 7 and 10. Robin Williams; Mark Cuban. Gavin DeGraw performs.
Jimmy Kimmel Live at 11:35 p.m. on Chs. 5, 6, and 9.
Late Show With David Letterman at 11:35 p.m. on Chs. 4 and 12. Sylvester Stallone. Deltron 3030 performs.
Conan at midnight and 1:30 a.m. on TBS. Ten-year-old football player Samantha Gordon. Jake Owen performs.
Tavis Smiley at 12:30 a.m. on Chs. 2 and 11.
Late Night With Jimmy Fallon at 12:37 a.m. on Chs. 7 and 10. Joseph Gordon-Levitt. The Avett Brothers perform.
Nightline at 12:37 a.m. on
Chs. 5, 6, and 9.
The Late Late Show With Craig Ferguson at 12:37 a.m. on Chs. 4 and 12. Michael C. Hall; Laura Bell Bundy.
Last Call With Carson Daly at 1:36 a.m. on Chs. 7 and 10.
Big Jake 6 p.m. (TCM) John Wayne as a rancher tracking his grandson’s kidnappers. PG-13 (1971)
Happy Gilmore 7 p.m., 9 p.m. (FAM) Romp about a hockey player (Adam Sandler) turned golfer. PG-13 (1996)
The Hobbit: An Unexpected Journey 7:30 p.m. (HBO) Bilbo, Gandalf, and a group of dwarfs seek a dragon’s treasure. PG-13 (2012)
Lost in Translation 7:45 p.m. (SUND) Actor and American woman become friends in Japan. Bill Murray. R (2003)
Van Helsing 8 p.m. (ENCR)
Hyperactive homage to Universal horror films with Hugh Jackman as the monster hunter. PG-13 (2004)
The Great Escape 10 p.m. (OVAT) POWs plot to break out of a Nazi prison camp. Steve McQueen. NR (1963)
The Siege 10 p.m. (MAX) A fed (Denzel Washington) investigates bombings in New York. Bruce Willis. R (1998)
Hulk 10:45 p.m. (IFC) An ambitious, pretentious, and long version of the comic about a scientist’s alter ego. Eric
Bana. PG-13 (2003)
Behind the Candelabra
11:30 p.m. (HBO2) Adaptation of Scott Thorson’s book about his love affair with entertainer Liberace. NR (2013)