Saxophonist Lucia Sarmiento and keyboardist Jemma Heigis performed a super funky cover of the "Hey Arnold!" theme.

Nathan Pryor combined a clarinet with a chainsaw to create a badass instrument that can take on the biggest bullies of band kids.

Epic Cardboard Props cheerfully showed how to build a Predator mask using only recycled cardboard, glue, and a template of his own design.

Jackson Galaxy explains why cats sit in a loaf position, what it means and what to look out for when that position subtly changes.

The History Guy spoke about the culinary history behind such polarizing Halloween candy as black licorice, Circus Peanuts, and Candy Corn.

Artistic Cyclist Lea Schaepe performs incredibly graceful tricks on her bicycle as if she were a ballerina on wheels.

The History Guy offered an enlightening take on the complex history behind the Halloween tradition of the Jack-O-Lantern.

Angel Sacristia performed alongside the 1946 appearance of The Jubilaires singing "Noah", giving the song a modern 21st century beat.

4K Movie Restorer colorized and enhanced scenes from the 1922 German Expressionist film "Nosferatu" for its 100 year anniversary.

In the 1968 BBC special "Tolkien in Oxford", J. R. R. Tolkien talked about the popularity of his epic fantasy novel "The Lord of the Rings".