Three Pop Stars, One Song (with Yvonne Strahovski) Originals Three Pop Stars, One Song (with Yvonne Strahovski)

Katy Perry, Lady Gaga and Ke$ha sing the same love song... sort of.

Simon Pegg and Nick Frost's Star Wars Originals Simon Pegg and Nick Frost's Star Wars

A few days ago in a desert not so far away...

Katy Perry Puppet Sex (with Deanna Russo) Originals Katy Perry Puppet Sex (with Deanna Russo)

A "Teenage Dream" parody. The segment that was too educational for TV.

Don't Touch My Shit (with Leighton Meester) Originals Don't Touch My Shit (with Leighton Meester)

A special message for roommates everywhere.

Secret Girl Language (with Ashley Benson) Originals Secret Girl Language (with Ashley Benson)

It's not what you say, it's how you say it.

Save Greendale (with the cast of Community) Originals Save Greendale (with the cast of Community)

These human beings are proud to be Human Beings.

Wayne Gretzky's Trick Shots!! Originals Wayne Gretzky's Trick Shots!!

Go ahead. Try this at home.

I'm Such A Nerd (with Katrina Bowden) Originals I'm Such A Nerd (with Katrina Bowden)

If you want to be her lover, you have to LARP with her friends.

Learning Piano to Get Laid (with Bo Burnham) Originals Learning Piano to Get Laid (with Bo Burnham)

How many octaves does it take to get to a girl's heart? We have no idea.

Porn Tech Support (with Kunal Nayyar) Originals Porn Tech Support (with Kunal Nayyar)

The star of "The Big Bang Theory" helps you get the most out of your alone time.

Official Spoiler Rules Originals Official Spoiler Rules

The stars of your favorite TV shows teach you how not to ruin them for your friends.

The Roast of Facebook Originals The Roast of Facebook

Penn Jillette, Gilbert Gottfried, and Lisa Lampanelli start a flame war with the world's most popular website.

Samuel L. Jackson Reads "Go the F*** to Sleep" video Samuel L. Jackson Reads "Go the F*** to Sleep"

"Mr. Jackson, this child is obviously already asle--OH MY GOD, YOU'VE KILLED HIM."

Sexy Clone Dilemma (with Elizabeth Mitchell) Originals Sexy Clone Dilemma (with Elizabeth Mitchell)

Beauty's in the eye of the gun holder.

Bear Grylls Likes His Pee Originals Bear Grylls Likes His Pee

Man cannot survive on pee alone.