sharkWeekAfter 25 years what does Shark Week need? A late night talk show!

Hence, here comes “Shark After Dark Live” (Discovery, 11 p.m.), where experts can sit on dry land and talk about the chomping that goes before them. First up is the introduction to the 26th season, “Air Jaws: Countdown to Shark Week 2013” (Discovery, 8 p.m.) followed by “Megalodon: The Monster Shark Lives” (Discovery, 9 p.m.), about a killer creature who has been attacking boats off the coast of South Africa.

The occasional series that pops up like a bad Benjamin is “Secret Millionaire” (ABC, 8 p.m.), in which rich folks deign to visit poverty-stricken areas and write a check before they get the heck out of there. First up is Anne Beiler, Auntie Anne herself of Auntie Anne’s Pretzels, visiting the run down neighborhoods of Baltimore.

“The Killing” (AMC, 9 p.m.) ends its strong third season with a two hour episode and an incident that may well spill over into a new season. Also ending its third season is “Falling Skies” (A&E, 10 p.m.) which brings with it a whole new species of creatures.

Rather than stand in line at crowded amusement parks, here’s “Ride-iculous” (Travel, 8 p.m.) that puts a camera on the most hair-raising rides for you. First off is the SkyJump, that drops people off the SkyTower observation deck in Auckland, New Zealand.

A family barbecue joint in Mississippi is the subject of the new reality series “The Shed” (Food Network, 10 p.m.), which comes after the four finalists on “Food Network Star” (Food, 9 p.m.) pitch their proposed shows.

“Big Brother” (CBS, 8 p.m.) mounts its biggest challenge, against Time Warner Cable.

On that rare Sunday without a “Masterpiece,” public broadcasting they replace it with more Anglophilia, “Queen Victoria’s Empire” (PBS, 8 p.m., check local listings).

Too soon? Of course it is: Dallas vs. Miami (ABC, 8 p.m.) in preseason NFL Hall of Fame Game from Canton, Ohio.

More seasonal is Sunday Night Baseball of Atlanta at Philadelphia (ESPN, 8 p.m.).

“Dexter” (Showtime, 9 p.m.) gets a new psycho in his sights.

A gay nightclub in Las Vegas gets a “Bar Rescue” (Spike, 9 p.m.).

Sookie considers mediating between Warlow and Bill on a new “True Blood” (HBO, 9 p.m.).

Will McAvoy conducts a withering interview with the Occupy Wall Street organizer on “The Newsroom” (HBO, 10 p.m.).

A housewarming party at Bunchy’s new house goes all wrong on “Ray Donovan” (Showtime, 10 p.m.).

“Princesses: Long Island” (Bravo, 9 p.m.) reaches a season finale.

Lesser known ’30s actress Mary Boland is featured all day on Turner Classic Movies with “He Married His Wife” (9 a.m.), “Marry the Girl” (10:30 a.m.). “The Solitaire Man” (11:45 a.m.), “In Our Time” (3 p.m.), “Nothing but Trouble” (5 p.m.), “Danger – Love at Work” (6:30 p.m.), “Ruggles of Red Gap” (8 p.m.), “Three Cornered Moon” (10 p.m.), “The Women” (11:30 p.m.), “Pride and Prejudice” (2 a.m.) and “Julia Misbehaves” (4 a.m.).

Sunday Talk

ABC: Gen. Martin Dempsey, chairman Joint Chiefs of Staff; Reps. Dutch Ruppersberger and Peter King, Glenn Greenwald. CBS: Reps. Paul Ryan and Mike McCaul, Sen. Chuck  Schumer. NBC: Sens. Dick Durbin and Saxby Chambliss, Rudy Giuliani. CNN: Sen. Lindsey Graham, Rep. Steve Israel. Fox News: Reps. Eric Cantor and Justin Amash, former Sen. Jim DeMint, Retired Gen. Michael Hayden.