Greater Boston 7 p.m. WGBH (Channel 2) The Cambridge Police on using social media to fight crime.
NOVA 10 p.m. WGBH (Channel 2) “Japan’s Killer Quake”: examining the earthquake and resultant tsunami in Japan.
Mystery Main Streets
7:30 p.m. WCVB-TV (Channel 5) Look for televised clues during the day, then tune in at 7:30 to put your destination guess to the test.
Morning Edition With Bob Seay 6 a.m. WGBH-FM (89.7) Exploring the changing Catholic Church in Boston.
Here & Now With Robin Young noon WBUR-FM (90.9) The news of the day.
Radio Boston 3 p.m. WBUR-FM (90.9) Cognoscenti Contributors on the four things unions need to do in order to save themselves.
NightSide With Dan Rea
8 p.m. WBZ-AM (1030) Dr. Teresa Whitehurst tells us why we should never despair.
NEWS & TALK SHOWS
CBS This Morning at 7 a.m. on Chs. 4 and 12. Delia Gallagher, senior editor of Inside the Vatican.
Good Morning America at
7 a.m. on Chs. 5, 6, and 9.
Rachael Ray at 7 a.m. on OWN. Sean Combs.
Live! With Kelly and Michael at 9 a.m. on Chs. 5 and 9;
10 a.m. on Ch. 10. Donald Trump.
The View at 11 a.m. on Chs. 5, 6, and 9. Keri Russell and Matthew Rhys.
The Talk at 2 p.m. on Chs. 4 and 12. Marie Osmond.
The Ellen DeGeneres Show at 4 p.m. on Chs. 5, 9 and 10. Colin Farrell.
Greater Boston at 7 p.m. on Chs. 2 and 11; midnight on
Conan at 11 p.m. and 1 a.m. on TBS. Johnny Galecki.
The Daily Show With Jon Stewart at 11 p.m. and 1 a.m. on COM. Filmmaker R.J. Cutler.
Real Time With Bill Maher at 11:05 p.m. on HBO. WikiLeaks founder Julian Assange and Daily Beast editor in chief Tina Brown.
Colbert Report at 11:31 p.m. and 1:30 a.m. on COM. Paola Antonelli, design curator at New York City's Museum of Modern Art.
The Tonight Show With Jay Leno at 11:34 p.m. on Chs. 7 and 10. David Duchovny; Father John Misty performs.
Jimmy Kimmel Live at
11:35 p.m. on Chs. 5, 6, and 9. Stanley Tucci; Gold Fields perform.
Late Show With David Letterman at 11:35 p.m. on Chs. 4 and 12. Tina Fey; Solange performs.
Late Night With Jimmy Fallon at 12:37 a.m. on Chs. 7 and 10. Christian Slater; Jason Aldean performs.
The Late Late Show With Craig Ferguson at 12:37 a.m. on Chs. 4 and 12. Tom Lennon.
Ace Ventura: When Nature Calls 8 p.m. (ENCR) Ace (Jim Carrey) tracks a rare bat in this sequel. PG-13 (1995)
Chocolat 8 p.m., 10 p.m. (SUND) A mysterious woman (Juliette Binoche) opens a sweets shop. PG-13 (2000)
Dirty Dancing 8 p.m., 10:30 p.m. (OVAT) Pas de deux between a guest and a dance instructor at a ’60s resort. Patrick Swayze. PG-13 (1987)
The Four Feathers 8 p.m. (TCM) Cowardice and heroism among officers. NR (1939)
History of the Eagles 8 p.m. (SHO2) A rockumentary about the music group the Eagles. NR (2013)
Higher Learning 8:30 p.m. (FUSE) Tensions fragment a college's freshman class. Omar Epps. R (1995)
Big Momma's House 2 9 p.m. (BET) Lightweight sequel about an FBI agent (Martin Lawrence) undercover as a portly nanny. PG-13 (2006)
Hanna 9 p.m. (HBO2) Teenage assassin Hanna (Saoirse Ronan) clashes with an intelligence operative. PG-13 (2011)
U-571 9 p.m. (68) A WWII US sub crew must seize a Nazi code machine. Matthew McConaughey. PG-13 (2000)
Heat 9:35 p.m. (ENCR) An obsessive detective tracks a thief in this smart, stylish crime thriller. Al Pacino. R (1995)
Different for Girls 9:45 p.m. (FLIX) A transsexual and a straight man embark on a love affair. Steven Mackintosh. R (1996)
Stranger in My Bed 10 p.m. (LMN) Jamie Luner plays a battered wife who tries to escape her abusive husband by faking her own death. NR (2005)
The Third Man 10 p.m. (TCM) Graham Greene's classic thriller about intrigue in postwar Vienna. Joseph Cotten. NR (1949)