Penny invents a quiz to find out whether Sheldon or Leonard is smarter, which only reveals that both of them are completely uninformed about popular culture with the exception of Star Trek.

In this short scene, a deeply star-struck Sheldon meets one of his heroes, the great actor James Earl Jones, whom Sheldon knows as the voice of Darth Vader in the Star Wars movies.

The Black Eyed Peas originally are from Los Angeles. The video for "Just Can't Get Enough" from their sixth studio album was shot in Japan.

Californian hip hop collective the Black Eyed Peas scored a global success with this song that questions the values of the modern world and the society we live in, and deals with issues such as racism, terrorism, pollution, gang crime, war, and intolerance. When hatred grows, and people and nations oppose each other, there's one question we find ourselves asking.

A film about the global sustainability work of The Prince's Charities, founded by HRH The Prince of Wales.

The Prince of Wales' Accounting for Sustainablity project is offering two concrete intervention options for companies and their policies, which lead not only to tangible profits, but also help to reduce the supply chains.

The Prince of Wales and The Duke of Cambridge talk about the unprecedented levels of killing of endangered species like elephants, which are killed at a rate of 100 per day. They also highlight the grave threat the illegal wildlife trade poses to the economic and political stability in many areas around the world and make a plea for the public to support those organisations that are working to put an end to the trade.

In this second half, The Prince of Wales and The Duke of Cambridge follow up by sharing some of the things that are being done to combat the wildlife trade and encouraging the listener to take action. They end by speaking the phrase "Let's unite for wildlife" in Vietnamese, Mandarin, Swahili, Spanish, Arabic and English.

You've likely heard this one before... the catchy song "Lovefool" is the most famous hit from Swedish band The Cardigans.

Saying “For what it’s worth" usually suggests that what we are about to say might not be particularly helpful or meaningful... but that we’ll say it anyway! Swedish rock band The Cardigans gave this title to a song that chronicles the perilous time when we first declare our romantic feelings for someone.

Enjoy The Cars singing their biggest international hit:Drive. A favorite at Yabla’s!

Enjoy this hit full of joie de vivre by this dynamic American rock band:The Cars!

The Cars formed in Boston Massachusetts in 1976, and were among the first of a ‘new wave’ of bands to merge rock and synth-pop. A humorous approach to music and visual art is apparent in the quirky love song “You Might Think" from their fifth album Heartbeat City.

Take a look at this clip of The Cars in action, performing parts of the hits “Good Times Roll”, “Just What I Needed” and “You Might Think”. You’ll see them on stage, back stage and also in their 1984 video release of “Heartbreak City.”

#Selfie was the breakthrough hit for American DJ and production duo The Chainsmokers, who used style, humor, and a dance beat to poke fun at social media culture.