My goodness it's the video that so many people have been talking about.

What's it like to go viral?

The concept of the viral video became one of the most common currencies in media.

Internet Superstar.

YouTube has turned ordinary situations into viral sensations.

And I don't mean getting a few thousand views or even hundreds of thousands of views.

I mean what's it like to all of a sudden go from obscurity to being watched by

millions hundreds of millions of people. Astronomical amount of hits millions of

you can millions of hits. Millions of hits. Millions of hits.

Two hundred twenty million views.

In this program we meet some of the Internet's original and biggest viral stars.

Hi Judson, this is so-and-so from you two.

I was a nerd who sang music as a hobby in my living room

who suddenly trended worldwide.

And there was a side of me that said,

ooh, you can't let them know that you're hurting.

This is my viral video and me.

I'm column Flynn.

I'm a presenter and reporter based in New York City, but originally from the west of

Ireland. I'm 32 and I grew up just as the Internet was too. It was becoming this place to meet people from

all over the world and discover the weird and the wonderful anything and then in

2005 a website called YouTube came along and that changed everything.

...