Of the Seven Wonders of the World, the least is known about the Hanging Garden of Babylon, which might not have been in Babylon at all, according to a new episode of “Secrets of the Dead” (PBS, 9 p.m., check local listings), but in Nineveh. Clues first come from an ancient cuneiform text on a prism found in the British Museum.
“Freakshow” (AMC, 10 and 10:30 p.m.), the reality show about sideshow performers, returns for a second season. It comes alongside a third season of “Small Town Security” (AMC, 11 p.m.) from Ringgold, Ga.
The family in “Alaskan Bush People” (Discover, 10 p.m.) is so remote from civilization, they speak in their own dialect, derived from the movies they watch.
Mindy writes to a mystery man on the second season finale of “The Mindy Project” (Fox, 9:30 p.m.).
On the third season finale of “New Girl” (Fox, 9 p.m.), they all go on a cruise.
Jane Kaczmarek guest stars on “Playing House” (USA, 10 p.m.).
The concluding episode of “Pioneers of Television” (PBS, 8 p.m., check local listings) examines pre-show rituals by comedians from Jonathan Winters and Robin Williams to Tina Fey.
Amy interrupts a wedding on “Inside Amy Schumer” (Comedy Central, 10:30 p.m.).
Rachel tries to boost her reputation on “Glee” (Fox, 8 p.m.).
Someone is cut on a results show on “The Voice” (NBC, 8 p.m.).
Gossip plays a role in the films tonight on Turner Classic Movies: “The Children’s Hour” (8 p.m.), “The Women” (10 p.m.), “My Reputation” (12:15 a.m.), “The Age of Innocence” (2 a.m.) and “The Gorgeous Hussy” (4:30 a.m.).
NBA playoffs include Brooklyn at Miami (TNT, 7 p.m.) and Portland at San Antonio (TNT, 9:30 p.m.). In the Stanley Cup playoffs, it’s Boston at Montreal (NBC Sports, 7 p.m.) and Chicago at Minnesota (CNBC, 9 p.m.).
Daytime Talk
Kelly & Michael: Neil Patrick Harris, Rick Sprngfield. The View: Jason Prestley, Patricia Heaton. The Talk: Jane Lynch, Thea Andrews, Chi-Lan Lieu, Carnie Wilson. Ellen DeGeneres: Kevin Spacey, Alison Sweeney, Ariana Grande. Wendy Williams: Jenna Elfman, Julie Morgenstern, Tank.
Late Talk
David Letterman: Jon Cryer, Elizabeth Olsen, Foster the People. Jimmy Fallon: Seth Rogen, Matt Bomer, Coldplay. Jimmy Kimmel: Jon Hamm, Emma Roberts. Seth Meyers: Ellen Page, Lewis Black, Black Label Society. Craig Ferguson: Colin Hanks, Richard Ayoade. Carson Daly: Nicholas Stoller, Cerebral Ballzy, Theo Von. Tavis Smiley: Marlo Thomas. Jon Stewart: Peter Schuck. Stephen Colbert: Bette Midler. Arsenio Hall: Michael Emerson, Nicole Murphy, Jessica Canseco, Ziggy Marley. Conan O’Brien: Christopher Meloni, Dave Franco, Hamilton Leithauser. Chelsea Hamdler: Jane Lynch, Chris Franjola, April Richardson, Gary Valentine. Pete Holmes: Krsten Schaal.