When Prince Harry and Meghan Markle march down the aisle in Windsor, England, on May 19th, they'll be watched by 600 invited guests and additional untold numbers of nosy onlookers.

And that’s just the American TV hosts.

Ha, ha, we kid. Sort of. There'll be cameras positioned inside St. George's Chapel to televise and live stream the hotly-anticipated  nuptials between the Queen's roguish redheaded grandson and his American actress beloved. And U.S. broadcast and cable networks are taking full advantage of it. (And not just them. Earlier this week, Fathom Events announced it will show the wedding and festivities commercial-free and almost live at select movie theaters around the country, including several in metro Atlanta. See below for more information).

A crowd watches the 2011 wedding of Prince William and Kate Middleton broadcast live on a big screen TV at Piedmont Park. Since that event, viewing options have only increased for people wanting to gorge on the nuptials of William’s brother, Prince Harry, and American Meghan Markle on May 19. John Spink, jspink@ajc.com

Credit: John Spink

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Credit: John Spink

The wedding ceremony is scheduled for 7 a.m. here (noon in the U.K). Most networks are planning at least five hours of live coverage starting as early as 5 a.m. on the big day.

That's all?!

Hardly.

From more dignified PBS specials to a brand new Lifetime movie featuring Harry and Meghan “lookalikes” (you be the judge), there’ll be gobs of royal wedding-related programming in the days leading up to the ceremony. It won’t even end with the “I Do’s” as there’ll be replays and more specials for hours afterwards.

Here’s your royal wedding viewing guide. Check for the latest updates, including all the details on how to watch official Royal Family live stream online and on social media.

Royal Weddings Through The Years

THE WEDDING DAY (May 19)

ABC: 5 a.m.  Special five-hour live edition of "Good Morning America" from Windsor hosted by GMA co-anchor Robin Roberts and "World News Tonight" anchor David Muir. Simulcast on ABCNews.com, GoodMorning.com, mobile and social.

CBS: 4 a.m.  Live coverage anchored by "CBS This Morning" co-host Gayle King and "Entertainment Tonight" co-host Kevin Frazier. Also shown live on 24/7 streaming news network CBSN.

Admit it -- the royal wedding wouldn’t be half as much fas without Kathie Lee and Hoda Kotb there to offer their unique commenatry. The entire “Today” show team will be in Windsor to cover Prince Harry and Meghan Markle’s big day.

Credit: Palm Beach Post photo

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Credit: Palm Beach Post photo

NBC: 4:30 a.m. Special 6-1/2 hour edition of "TODAY at the Royal Wedding" from Windsor anchored by Savannah Guthrie and Hoda Kotb. Live streamed on TODAY.com, Facebook, Twitter and YouTube.

PBS: It will show the wedding live. No information available yet what time its coverage will start.

BBC America: Live direct simulcast and streaming of coverage by the BBC in the U.K. Commentary by BBC experts and limited commercial interruption. The cable channel hasn't said yet what time its coverage will start.

On official Royal Family sites and social media: 6 a.m. They may be an old monarchy, but the British royal family is definitely hip to the times. They'll show the ceremony live on The British Monarchy Facebook Page  and on YouTube on The Royal Channel ;   on You can also follow the wedding and find video, clips and updates on the monarchy's official Twitter and Instagram accounts (@RoyalFamily, @KensingtonRoyal, @ClarenceHouse for both). Find complete information and updates at www.royal.uk

E! News: 5 a.m. Giuliana Rancic and Brad Goreski host five hour "Live from the Royal Wedding" from Windsor. One-hour recap at 7 p.m.

Fox News Channel: 5 a.m. Ainsley Earhardt hosts "Fox and Friends Weekend" live from Windsor. Live coverage of the wedding and surrounding festivities continues at 6 a.m.with chief news anchor Shepard Smith and America's Newsroom co-anchor Sandra Smith outside St. George's Chapel. Live streamed on Foxnews.com.

TLC: 5 a.m. The "Say Yes to the Dress" network will present a live, four-hour feed of the wedding. Then at 10 p.m. a new one-hour special, "TLC's Royal Wedding Revealed" will feature the cable channel's wedding and style experts (including Atlanta's own Lori Allen) dissecting and dishing on all aspects of the big day.

HBO: 7:30 a.m. "The Royal Wedding Live with Cord and Tish!" Co-hosted by Cord Hosenbeck and Tish Cattigan, aka Will Ferrell and Molly Shannon, with Tim Meadows and produced by Funny or Die. Hopefully they'll put fewer noses out of joint than they did with their unique live coverage of this year's Rose Parade. Or not. Replay at 9:45 p.m.

In movie theaters: Fathom Events and Brit Box, a subscription service that brings BBC and ITV shows from the U.K. to American TV's, are teaming up for this screening of the nuptials "captured live" from Windsor and presented commercial-free. Starting at 10 a.m. on May 19 (i.e. three hours after the opening strains of the wedding march) the "show" will play at three Atlanta-area theaters: Hollywood 24 in Chamblee, Barrett Commons 14 in Kennesaw and Avalon 12 in Alpharetta. Tickets ($10.60 to $10.80) are available at www.FathomEvents.com or participating box offices.

Why are these people smiling? Posh and Becks (aka former Spice Girl Victoria Beckham and her soccer star hubby David Beckham) made a big sartorial splash at the 2011 wedding of Prince William and Kate Middleton. Word is the couple -- and their unique look --are on the guest list again for the May 19 royal wedding of Prince Harry and Meghan Markle.
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SPECIALS, MOVIES AND OTHER PROGRAMMING:

May 11:

“Meghan Markle: An American Princess” 8 p.m. Fox. A two-hour special exploring Markle’s life before meeting Prince Harry and what her future holds. Includes interviews with Markle’s half-sister, Samantha Markle, Royal Correspondent and Harry’s biographer, Katie Nicholl; and Paul Burrell, Princess Diana’s former butler.

May 13:

"Harry & Meghan: A Royal Romance" 8 p.m. Lifetime. The network better known for flicks like "Deadly Matrimony" and "Unsolved Mysteries" reruns brings us this made-for-tv movie about, well, the title says it all. Murray Fraser and Parisa Fitz-Henley are the sorta lookalikes portraying Prince Harry and Meghan Markle. Repeats multiple times during the week leading up to the wedding.

“Million Dollar American Princesses: Meghan Markle” 9 p.m. Smithsonian Channel. This absorbing documentary series began with the 19th century American heiresses whose real life stories inspired “Downton Abbey” and has since moved on to more modern subjects like movie stars who married into royalty. This special edition uses archival footage and interviews to look at Markle’s story in the context of Grace Kelly, Rita Hayworth and other Americans who married into the European aristocracy.

“Headliners: Queen Elizabeth II” 9 p.m. MSNBC.  NBC News correspondent and MSNBC anchor Katy Tur hosts this one-hour pre-wedding special that looks at the life of Europe’s longest reigning monarch (and grandma of the bridegroom).

Weird hats, like those sported here by (l-r) Princess Eugenie and Princess Beatrice at William and Kate’s 2011 nuptials, are what makes a royal wedding must-see TV.
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May 14

"Royal Wedding Watch" 10 p.m. PBS. Meredith Viera and U.K. host Matt Baker anchor this five-night series (it airs at 10:30 p.m. on May 18 only) that will look at the history, cermonies and traditions helping to shape this royal wedding.

May 16:

“Inside the Royal Wedding: Harry and Meghan” 10 p.m. NBC. Hosted by “Today’s” Savannah Guthrie and Hoda Kotb, this one-hour special includes interviews with close friends of the couple, insider reports on wedding fashions, guests and more.

May 18:

“Royal Slumber Party” 7:45 p.m. Freeform. Wedding-themed movies and the like air leading up to Freeform’s simulcast of the special royal wedding edition of “Good Morning America” at 5 a.m. Saturday.

“20/20” 10 p.m. ABC. David Muir and Deborah Roberts lead this look at “the two most important women in Prince Harry’s life:” Markle and his late mother, Diana, Princess of Wales. This special edition will also cover last-minute details of the wedding, which will be just hours away.

May 19:

“A Royal Celebration” 1 p.m. Hallmark Channel. Kicking off with an encore presentation of “Dater’s Handbook,” the 2016 TV movie starring Markle, Hallmark presents a daylong movie marathon, four of which have royal romance themes. It all culminates at 9 p.m. with the premiere of “Royally Ever After,” about an American commoner(Fiona Gubelmann) whose boyfriend (Torrance Coombs) secretly is a prince of a small European country.

“Royal Romance: The Marriage of Prince Harry and Meghan Markle” 8 p.m. CBS. A two-hour special recapping all the happenings of the big day.

“20/20” 10 p.m. ABC. Another special edition recaps the wedding, events before and after the ceremony  and offers “other inside details.”