English ghetto pop artist and songwriter Jessie J performs her 2010 hit Do It Like A Dude .

Sigrid finishes the alphabet with "Z," covering words like "zone" and "zebra," but also the useful suffix "-ize."

Trevhon and Tristan, two Canadian brothers, travel to New Zealand where they learn about Māori customs, religion, along with a stick game. The highlight of this segment is Te Puia, a Māori cultural center.

Steve Skaith reflects on life and relationships in the song "Other Mothers" from the album "Empires & Us."

Harrison Ford keeps his cool as he fields questions from Jimmy Carter on all sorts of subjects, from his role in the movie Sabrina, to his self-confidence, and even learning carpentry.

Sigrid talks about early spring weather, the importance of dressing in layers, and keeping the grass and weeds in check.

The British band Madness had a major UK hit with this song, and with good reason: heartfelt and nutty in equal measure, it would bring the house down at every Madness show. The video — filmed above and below water — is one of their classics, with cameo appearances by Big Bird, a killer whale, and Labi Siffre, who wrote the song.

Anna, from Cambridge University Press, explains how and when to use the Present Simple.

"Y" is a tricky letter because it's both a consonant and a vowel. As a vowel, it has different sounds. Don't worry. But hey, maybe keep your eye on the "Y." Don't let it fly away.

Simon wants to explore the mysterious cave, while Jack comes up with a grim present for the cave inhabitant.

Gabrielle presents three key questions you're likely to face when being interviewed for a job. Her advice is spot on.

Black Widow is a song by Australian rapper Iggy Azalea, from her debut studio album The New Classic. The song's hook is sung by British recording artist Rita Ora. The lyrics chronicle revenge and disappointment in a failed romantic relationship.

Ellis Island, the U.S. gateway to immigration from distant lands, has been reopened to visitors, following significant damage from Hurricane Sandy. A visit there, and to the nearby Statue of Liberty, can be emotional, even for those born in the U.S.

A Saturday Night Live sketch featuring Toonces, a cat who can drive—somewhat. Actors Steve Martin and Victoria Jackson play his owners, and send him off to take the driving test. Kevin Nealon plays the unfortunate official at the Department of Motor Vehicles.

Katie Melua accompanies herself on the guitar in a performance of "Fields of Gold", a simple, nostalgic song made famous by Sting, who wrote it and originally recorded it.