The 91st annual tree-lighting ceremony kicks off the holiday season with a dazzling display of musical talents, star-studded surprises and the lighting of the Rockefeller Center Christmas tree; Kelly Clarkson hosts.

The 2019 World Series was loaded with surprises, comebacks, superstars, and a few new records. Home field advantage belonged to the 105-win Houston Astros, who were looking to take back a title they had won in 2017. The white-hot Washington Nationals were fighting for the first championship in franchise history. The Washington Nationals beat the Houston Astros in a most unpredictable Fall Classic, winning Game 7 with one last rally in a season full of rallies. For the first time in MLB history, the road team won all seven games in the World Series.

Kelly Clarkson presents the biggest newsmakers and names in film, television and music; as well as emerging new talent and everyday people who are beacons of hope in their communities.

For more than 25 years, Dateline has brought viewers investigations into some of biggest mysteries in America. This entry in the franchise takes a second look at some of the most mysterious cases of recent history. It explores the stories through firsthand accounts told by people who are close to the crime, including investigators who dedicated their time to the cases and family members who are still trying to confront the tragedies that befell their loved ones.

Stephen Colbert brings his signature satire and comedy to The Late Show with Stephen Colbert, the #1 show in late night, where he talks with an eclectic mix of guests about what is new and relevant in the worlds of politics, entertainment, business, music, technology, and more. Featuring bandleader Jon Batiste with his band Stay Human, the Emmy Award-nominated show is broadcast from the historic Ed Sullivan Theater. Stephen Colbert, Chris Licht, Tom Purcell, and Jon Stewart are executive producers. Barry Julien and Denise Rehrig serve as co-executive producers.must watch

Dateline NBC, or simply Dateline, is a weekly American television newsmagazine series. It was previously the network's flagship newsmagazine, but now focuses mainly on true crime stories with only occasional editions that focus on other topics.

Dateline NBC, or simply Dateline, is a weekly American television newsmagazine series. It was previously the network's flagship newsmagazine, but now focuses mainly on true crime stories with only occasional editions that focus on other topics.