In this final episode, the mystery is solved in dramatic fashion. Enjoy!

"I Know What You Did Last Summer" is a duet from Canadian singer Shawn Mendes and Cuban-American singer Camila Cabello.

At this most special time of the year, singers Shawn Mendes and Camila Cabello open their hearts and their home to wish us all a Merry Christmas with their own version of a Christmas song made famous by the great Nat King Cole. The couple vowed to donate proceeds to charity, and joked that the video had been directed by their dog, Tarzan.

Canadian singer Shawn Mendes released "Nervous" on his third studio album. It's a song about meeting a new potential love interest.

World-class snowboarder Shaun White talks about his relationship with his Red Bull sponsors and what it’s like to have them build his own private half-pipe in the mountains of the Colorado back-country.

See some awesome and incredible moves and tricks on skateboard and snowboard performed by Shaun White while listening to the cool track “Head Strong” by Trapt.

In this exclusive interview, Shania Twain speaks about re-launching her career, music, and motherhood.

Canadian country pop star Shania Twain dedicates a love song to someone special who brings the very best out of her, like no one has been able to do before.

David and Ben Crystal explain why Shakespeare verses read with Original Pronunciation convey very different emotions and open up another level of understanding.

Enjoy this interview with singer-songwriter Gwen Stefani and other members of the American rock band No Doubt. In it they talk about their song “New” off their album Return of Saturn from 2000.

In this short video Senator Edward Kennedy speaks about amfAR, the American Foundation for Aids Research and their efforts in trying to rid the world of this dreaded disease.

Selena Gomez says: Join me in New York City to help me and MTV countdown the New Year. Visit www.postcardontherun.com/nyc to learn more about the sweepstakes. Hope to see one of you in New York.

Sean Paul is a Jamaican dancehall interpretor and had his first success with his second album "Dutty Rock" in 2002. Here's the video for his song "Other Side of Love" from his sixth studio album "Full Frequency."

Crazy is one of the greatest hits of English soul/pop-singer Seal. Enjoy the video!

Hall of Famer Scottie Pippen discusses Chicago's bitter rivalry with the New York Knicks and one of the greatest dunks in NBA history.