The meet takes an unexpected turn and Leah is more smug than ever, but Robin gets some extra encouragement from her friends.

In order to fatten up before winter sets in, brown bears feast upon salmon migrating upstream to spawn. Enjoy!.

Shakira, singer and UNICEF Goodwill Ambassador, performs at the opening ceremony of the Sustainable Development Goals Summit at the General Assembly of the United Nations, 70th session.

John Lennon's last live performance, filmed at the "Salute to Lew Grade" on April 18, 1975.

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

With "What Do You Mean?" Justin Bieber became the youngest male pop star in music history to debut at number one on the Billboard Hot 100 chart.

The Great Barrier Reef is the world's largest coral reef system and one of the most diverse and rich ecosystems on the planet. It is now in great danger, as the Australian and Queensland governments are giving coal companies permission to dig up coal and ship it out through the Great Barrier Reef.

This rarely seen early televised version of George Orwell's novel Nineteen Eighty-Four seems no less relevant today. It was made by the BBC in 1954 and features noted actors Peter Cushing and Donald Pleasence. It was hugely controversial when it came out, and though it may seem tame today, it may have you thinking twice the next time you sit down at your "workstation"...

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

The song "Firework" from singer Katy Perry's third studio album sold over 7 million copies in the United States. The music video was filmed in Budapest and was nominated one of the top 50 videos of the year.

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

The big day arrives and the gymnastics finals begin. Robin is a ball of nerves, but Tommy is there to support her.

Catch glimpses of sockeye salmon, also called red salmon, as they make their way upstream in a migration known as the "red flood." Also included is footage of dippers, which are some of the only songbirds that search for food on the bottom of a body of water.

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

Leonard daydreams about saving Penny and her falling for him.