The Winter Olympics in PyeongChang are finally here.

The 2018 Games kick off with the opening ceremony on Friday. The ceremony will be the only event broadcast on primetime TV, but you will be able to watch several competition events online, including curling and snowboarding.

Here's what you need to know for Friday:

What to watch for during the opening ceremony

Fri. 5 p.m. PT | Watch on KING 5

Thirty-five thousand fans will pack into the frigid PyeongChang Olympic Stadium for the opening ceremony. It will feature timeless Olympic traditions, like the lighting of the Olympic cauldron and the parade of nations, and performances that combine Korean history with modern culture.

Here's what you should watch for:

  • North and South Korean delegations will march together.
  • Four-time Olympic luger Erin Hamlin will carry the U.S. flag into Friday's opening ceremony. Her selection was followed by some controversy (read more below).
  • Pita Taufatofua, the shirtless Tongan flag bearer from the 2016 Olympics whose photo went viral, will be back at the opening ceremony after he qualified in cross-country skiing.
  • 168 Russian athletes invited to compete at the games as "Olympic Athletes from Russia" will march under a neutral Olympic flag.

Because of the 17-hour time difference between South Korea and the West Coast, the show you'll see on NBC Friday night is pre-recorded.

If you missed the livestream, you can watch NBC's coverage of the Opening Ceremony Friday starting at 5 p.m. on KING 5.

PyeongChang Opening Ceremony

Coverage of the Opening Ceremony, celebrating the official start of the XXIII Olympic Winter Games in PyeongChang.
North Korean cheerleaders sing and wave prior to the Opening Ceremony of the PyeongChang 2018 Winter Olympic Games at PyeongChang Olympic Stadium on February 9, 2018 in Pyeongchang-gun, South Korea.

Team USA flagbearer controversy

Four-time Olympic luger Erin Hamlin will carry the U.S. flag into Friday's opening ceremony.

Her selection was followed by some controversy, when a tweet posted to speedskater Shani Davis' account said the process used to pick Hamlin wasn't fair.

Hamlin and Davis were the two finalists and received a tie number of votes. A coin toss was the tiebreaker. Hamlin won.

In a tweet, Hamlin wrote that she's "beyond grateful to be a part of this team and incredibly proud to have the privilege of leading every amazing TeamUSA athlete into that stadium tonight."

Team USA flag bearer Erin Hamlin poses for a photo wearing her Polo Ralph Lauren Team USA Opening Ceremony heated parka on February 8, 2018 in Pyeongchang-gun, South Korea. (Photo by Joe Scarnici/Getty Images)

Snowboarding begins with men's slopestyle qualifying rounds

Fri. 8 p.m. ET / 5 p.m. PT | Watch on NBCOlympics.com

Get ready to watch snowboarders ride through a terrain park, completing tricks off jumps and rails along the way. Slopestyle was new to the Olympics in 2014, and three American men swept the podium.

Everyone will be watching to see if the American men sweep the slopestyle competition again in PyeongChang. Keep an eye on Red Gerard, a 17-year-old with his own terrain park in his backyard. This is his first Olympics, and he could potentially be the youngest American snowboarder to win a medal.

Men's slopestyle is just one of 10 different snowboarding events. Other events include halfpipe and big air.

An athlete trains for Snowboard Slopestyle ahead of the PyeongChang 2018 Winter Olympic Games at Phoenix Snow Park on February 8, 2018 in Pyeongchang-gun, South Korea.

American brother-sister curling team's chance at making semifinals lessens

Fri. 7:05 p.m. ET / 4:05 p.m. PT | Watch on NBCOlympics.com

Sibling team Matt and Becca Hamilton from Wisconsin continue to compete in the mixed doubles curling round robin tournament. There are only eight teams participating in the tournament, and the American duo is in the process of playing against each team.

They've won one game and lost three. On Wednesday, the Hamiltons lost to Canada. But they defeated Russia on Thursday. They also lost to South Korea and Switzerland.

On Friday night, they'll play China. The round robin tournament continues through the weekend, and semifinals start on Monday Feb. 12.

USA's sibling team Becca Hamilton (R) and Matt Hamilton brush the ice surface during the curling mixed doubles round robin session between the US and Canada during the Pyeongchang 2018 Winter Olympic Games on February 8, 2018.

For a full rundown of the day's events, visit the schedule on NBCOlympics.com.

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Contributing: Associated Press