"W" is a consonant, but it is very vowel-like and is considered a "semi-vowel." "W" is featured in plenty of important words, and it combines with other letters to make some new sounds.

In this ad for Nespresso, shot on Lake Como, Jack Black is trying to outdo George Clooney in winning the attractions of a passing female, with some variations on the famous line, "what else?"

"I Miss You" is a breakup song by British electronic music group Clean Bandit, featuring vocals from American singer and songwriter Julia Michaels. It was written by Jack Patterson, Grace Chatto, and Julia Michaels.

Jack and his group hear strange monster-like sounds coming from a cave. Ralph is skeptical about there being any monster, but some of his followers defect and go over to Jack's camp.

"X" is a special letter in that we often use it by itself. It's useful in a lot of situations. In the middle of a word, however, it can be pronounced in a few different ways.

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.

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

"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.

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

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.

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

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

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

Living together can be challenging, even for good friends. Maggie, as a guest and friend, can't help but notice that Julia is feeling frustrated about something.

The first line of "Waiting for Love" is a well known saying: "Where there's a will, there's a way," and sets the optimistic tone of the song. Late, Swedish-born artist Avicii used the days of the week as his refrain, so it's a great opportunity to review them.