The Internet has made so many things obsolete, like maps, phone books, and rotary phones. Ellen was curious to see how young people would function without the Internet, so she challenged a 17-year-old to use all three items, with hilarious results.

YouTube star Lele Pons and her friends make New Year's resolutions that they have to keep for 30 days. Whoever wins their contest gets to have Lele's house. However, Lele has a few tricks up her sleeve...

In this scene from the classic British sitcom Only Fools and Horses, Del Boy and Rodney are left stranded when their van breaks down on the way to a party, and they really don’t want to be seen in their costumes!

Anne-Marie has fun teaching pop star Olly Murs a kick and a block to defend from that kick. Then he tries his hand with the nunchucks, but proves to be more of a danger to himself than to anyone else! Overall, he’s very good, and almost gets top marks for his first day of karate.

The boys from the pop band The Vamps join Anne-Marie for a karate lesson. She takes them though a warm up, some kicking and punching, then a game and a sparring session that threatens to get out of control!

Boris Johnson is Britain's new prime minister, and now has 100 days to deliver on his do-or-die promise to take Britain out of the EU on October 31, 2019.

This is MC Hammer’s signature song and his biggest hit, launching him, along with his flamboyant dance moves and extra wide "Hammer pants", into stardom as the nineties began. First released on the album Please Hammer, Don’t Hurt ‘Em, this tune is certainly untouchable in terms of pure charisma and energy.

Mayim shares her doubts and misgivings about open relationships. It seems that for her, the commitment, predictability, and closeness of a monogamous relationship is all together more meaningful and enjoyable.

Actress, author, and neuroscientist Mayim Bialik considers open relationships. While she sees the benefits, there are certainly things she doesn’t “get” about this kind of arrangement, as she sees male and female biology clearly dictating different ideals.

Keri Hilson performs together with rap stars Kanye West and Ne-Yo in this melodic tune about two guys who thought they found the love of their life.

The flamboyant pop sensation Lady Gaga talks about the creative process behind her single "Applause." She explains how being forced to slow down by a hip injury actually helped her to focus, about working with famous names from the world of art, and exactly how much it means to her to be performing again for her adoring fans.

Jimmy Carter asks Adam Sandler about some biting criticism he had received in regard to his Saturday Night Live appearances. They also talk about the old days, Sandler's various characters, and his movie The Wedding Singer.

In this segment, we learn about the role weather plays in the creation of rock formations in the national parks of the United States.

Jamaican dancehall recording artist and record producer Sean Paul teams up with English singer Dua Lipa for this hit single. Although in English, the lyrics feature a significant amount of Jamaican Patois slang and phrasing. See if you can follow it!

Prince Harry and Meghan Markle talk about how they met, their magical camping trip to Botswana, and how he popped the question.