After Marshall and Barney have an argument, Robin and Lily try to figure out what type of alcohol will get them in the right mood to reconcile.

What happened when Expedition PROTECT and American Promise arrived at Jeffrey's Ledge, a marine protected area in the Gulf of Maine? The crew tells us about what they are doing and why.

Penny tries to patch things up between Leonard and Sheldon when they are having a fight, but ends up making things worse!

Barney explains the magic of February thirteenth, or as he calls it, "Desperation Day."

This video is a Webby Award winner. Amnesty International supporters have used the power of words to demand freedom and justice for countless human rights defenders around the world. Our words are proof that when you stand up for human rights, you never stand alone.

Learn the most important things to keep in mind when working on your resume for job applications.

The boys decide to go to Long Beach in order to keep lying to Penny.

The kids try to catch snowflakes on their tongues, and Linus once again proves to be wise beyond his years.

This video will teach you the different pronunciations of the word "the" in American English and when they are used.

In a passionate monologue, Linus explains what Christmas is really all about.

Leonard daydreams about saving Penny and her falling for him.

At the beginning of the classic animation A Charlie Brown Christmas, directed by Bill Melendez and based on Charles Schulz's comic strip, Charlie Brown is having doubts about the holiday season.

While Sheldon struggles with his take-out order, Leonard bids on what he thinks is a miniature time machine.

Enjoy this very famous and entertaining skit from the Monty Python film Monty Python and the Holy Grail.

Hunger Games star Jennifer Lawrence discusses the end of the franchise, her hilarious relationship with Josh Hutcherson, and much more.