Prince Harry and "Suits" actress Meghan Markle will wed Saturday, May 19 with tens of millions of viewers worldwide expected to tune in to watch them exchange vows at Saint George's Chapel of Windsor Castle.

Major TV networks will cover the event beginning as early as 1 a.m. PST. The hour-long procession begins at 4 a.m. PST.

So, make some cucumber sandwiches, a spot of tea and settle in to watch what's sure to be an event to remember. Here's what you need to know:

NBC: Savannah Guthrie and Hoda Kotb will host the "Today" show live, covering the wedding on location near Windsor Castle starting at 1:30 a.m.

CBS: Tina Brown, Gayle King and Kevin Frazier will be live on the scene starting at 1 a.m.

PBS: Will air a five-day series every evening starting May 14 leading up to the wedding and will also be on scene for the big day.

BBC America: Will air the live BBC coverage of the wedding after a week's worth of royal wedding programming, including a re-broadcast of the 1981 wedding of Prince Charles and Diana Spencer and include the television premiere of "Harry and Meghan: A Very Modern Romance."

Looking to live stream the event? Check out the list below.

ABCNews.com will be doing live coverage of the wedding beginning at 5 a.m. ET and will last five hours

Good Morning America will also be doing live coverage

BBC America has live coverage of the wedding starting at 4 a.m.

CBS has live coverage starting at 4 a.m. ET as well as on all CBS New's social media platforms

CNN has coverage from 5-9 a.m. ET

Reuters TV will provide wedding coverage as well

The New York Times will provide coverage of the royal event

If you feel inclined to, you can sign up for a free trial from the following providers that are showing the royal wedding.

Hulu

Sling

Fubo

Philo

DirectTV

PlayStation offers a 5 day free trial

YouTube gives new users a 2 weeks free trial

and Brit Box has a free 7 day trial

If you want to join in on the festivities and make the royal wedding a grand event, you can see it in theaters.

AMC Bay Street 16
5614 Bay Street, Emeryville, CA 94608
Playing at 10 a.m. Get your tickets here

AMC Van Ness 14
1000 Van Ness Avenue, San Francisco, CA 94109
Playing at 10 a.m. Get your tickets here

Century 9 San Francisco Centre
845 Market Street, San Francisco, CA 94103
Playing at 10 a.m. Get your tickets here

Visit Fathom Events where you can check out other theaters that are showing Harry and Meghan's big day.