Because prison reform hasn’t really happened, “Inside the World’s Toughest Prisons” (Netflix, streaming) begins a fourth season.
“What the Shark?” (National Geographic, 10 p.m.) looks at rarely seen sharks in darker depths.
The British import “Bulletproof” (CW, 9 p.m.) ends its second season with an effort to bring down Alex and Mikey.
Resting time comes for the initial season of “Ultimate Tag” (Fox, 9 p.m.) as well and somebody wins $10,000.
“United We Fall” (ABC, 9 p.m.) Bill and Jo enroll Emily in a soccer clinic.
They pack sand on a new episode of “Tough as Nails” (CBS, 8 p.m.).
A new logo is needed on “Corporate” (Comedy Central, 10:30 p.m.).
“Marrying Millions” (Lifetime, 10 p.m.) checks in with Bill and Brianna and Gentille and Brian.
Lisa tries to save the Roman holiday on “The Real Housewives of Beverly Hills” (Bravo, 9 p.m.) after rumors fly about Denise.
Here are some travel tips “When Monsters Attack” (Travel, 8 p.m.).
The title of tonight’s new episode of “Marvel’s Agents of S.H.I.E.L.D.” (ABC, 10 p.m.) is “Stolen.”
“The First 48: Squad Stories: Miami” (A&E, 10 p.m.) looks into the case of a murdered retired police captain.
They find what’s doing with primates on an island off of West Africa on the special “Monkeys of Bioko” (Smithsonian, 8 p.m.).
Turner Classic Movies’ month-long array of feel good movies on Wednesday night concludes with “The Thin Man” (8 pm.), “Guys and Dolls” (9:45 p.m.), “The Lady Eve” (12:30 a.m.), “Arsenic and Old Lace” (2:15 a.m.) and “Some Like It Hot” (4:15 a.m.).
During the day, various Hollywood bombshells star in “Go Naked in the World” (6 a.m.), “Lola” (8 a.m.), “Forbidden Planet” (11:15 a.m.), “And God Created Woman” (1 p.m.), “One Million Years B.C.” (2:45 p.m.), “4 for Texas” (4:30 p.m.) and “Viva Las Vegas” (6:30 p.m.).
Baseball (fingers crossed) includes Colorado at Oakland (ESPN, 3:40 p.m.), Arizona at Texas (MLB, 4 p.m.), Dodgers at Houston (ESPN, 7 p.m.), and Seattle at Angels (ESPN, 10 p.m.).
Here comes exhibition hockey with Tampa Bay vs. Florida (NHL, noon), Colorado vs. Minnesota (NHL, 2:30 p.m.), Carolina vs. Washington (NBC Sports, 4 p.m.), St. Louis vs. Chicago (NBC Sports, 6:30 p.m.), Islanders vs. Rangers (NBC Sports, 8 p.m.) and Vancouver vs. Winnipeg (NHL, 10:30 p.m.).
WNBA action has Phoenix vs. Indiana (NBA, 7 p.m.), New York vs. Dallas (CBS Sports, 8 p.m.) and Atlanta vs. Las Vegas (CBS Sports, 10 p.m.).
Daytime Talk
Kelly Ripa and Ryan Seacrest: Ron Howard, Katie Holmes, Jenny McCulston. The View: Susan Rice. The Talk: Christopher Meloni, Randy Rainbow. Ellen DeGeneres: Aubrey Plaza, Jamie Foxx, Coldplay (rerun). Kelly Clarkson: Ricky Gervais, Ester Dean, Josh Elkin (rerun). Tamron Hall: Erin & Ben Napier, Iyanla Vanzant, Michelle Hord (rerun).
Late Talk
Stephen Colbert: Norah O’Donnell, IDK (rerun). Jimmy Kimmel: Jason Bateman, Sean Hayes (rerun). Jimmy Fallon: Ice T, Jack Whitehall, Charlie Wilson. Seth Meyers: David Schwimmer. James Corden: Taraji P. Henson, Andrea & Matteo Bocelli (rerun). Lilly Singh: Susan Kelechi Watson, Tig Notaro (rerun). Conan O’Brien: Tig Notaro (rerun).