From the soundtrack of Disney’s enormously successful movie Frozen, the song “Do You Want to Build a Snowman?” caught the imagination of the world, as a lonely Anna desperately implores Elsa to spend time with her.

Watch the full “Into the Unknown” sequence from Disney’s Frozen 2 featuring the original song performed by Idina Menzel (voice of Elsa) featuring AURORA and written by Academy Award winners Kristen Anderson-Lopez & Robert Lopez.

In this song from the movie Descendants 3, Sarah Jeffrey sings in her role as a princess who listens to the devil on her shoulder and becomes the evil “Queen of Mean.”

This animated video shows how tuberculosis, still a very common disease, spreads and is fought by our bodies. Find out more about MSF’s work treating tuberculosis around the world.

How do you transport life-saving medicines that need to be kept cold to remote communities, even across deserts or through dense jungles? Find out more about the cold chain process.

Sheldon and Amy film their first episode of "Fun with Flags," a show about "the dynamic world of vexillology." However, they keep getting interrupted by Sheldon's roommate Leonard.

Sheldon’s friend actor Will Wheaton agrees to be a special guest on the show. But for Sheldon's girlfriend Amy, who is the director, Will can’t seem to do anything right. She criticizes his acting, leaving Sheldon in an uncomfortable situation.

As another unfortunate special guest falls short of director Amy’s exacting standards, neighbor and "flag virgin" Penny takes a turn, but her attempts to guide Sheldon towards a more relaxed and open style of presenting backfire.

Sheldon can no longer take the pressure of producing his show "Fun with Flags" alongside a full-time career and having a girlfriend. So, after only two hundred and thirty two episodes, it’s finally the last in the series. Sheldon is full of emotions, but mostly still mad at Amy for failing to press “record” and ruining his “Fourth of July Spectacular.”

After some flag-related fun and games, the final episode of "Fun with Flags" draws to a close and Sheldon is overcome with emotion.

Sheldon has completed the last episode of his web show "Fun with Flags" and now feels depressed — that is, until he decides to give it another go. Unfortunately, Amy is not willing to work with him anymore.

Sheldon isn’t getting over his breakup with Amy, and directs his hurt feelings at her in the latest episode of his show "Fun with Flags." Amy is understandably upset when she sees the episode and goes to confront him.

On Valentine's Day, Amy and Sheldon host the first ever live-streamed edition of their show "Fun with Flags." However, they aren't prepared for the fallout when emotional viewers call the show to ask for relationship advice and air their innermost feelings.

The Valentine’s Day live edition of "Fun with Flags" continues, as does Sheldon’s irritation with the show’s callers. They just don’t want to talk about flags, and, more importantly, he’s not the only one speaking! He goes into a big sulk, but Amy gets him to open up and we suddenly glimpse a different, almost romantic side of Sheldon.

A change of location and a new house band all add to the spectacle of Sheldon and Amy's show "Fun with Flags." Sheldon hopes that this new spirit of togetherness, along with a theme of regions uniting under a flag, will broaden the show’s rather limited audience.