Every once in a while, an ad campaign is so creative or unusual that it stands out from all the other commercials we're bombarded with every day. A lot of times these cool ads go viral, such as one fun promotion in Belgium that caught our eye. You've Gotta Watch these memorable ad stunts.

Pushing buttons

This inventive ad campaign in Belgium invites passers-by to push a button to “add drama” to a town square. Hidden cameras catch the participants getting more than they bargained for. The mini show starts with an ambulance, gunshots, and a woman in lingerie and escalates from there. You’ve got to see how it ends. This viral ad is for CNN’s sister network TNT

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Flying people

It’s a bird! It’s a plane! These unidentified flying objects puzzled onlookers in Manhattan. An unusual campaign for a movie featured flying “people.” Watch them buzz around the Statue of Liberty and other New York landmarks.

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Trick shot

At an ad shoot for Gillette, tennis star Roger Federer knocked a ball off of a staffer’s head while displaying his powerful serve. This close shave got a lot of people wondering if it’s real. Watch the incredible shot and decide for yourself.

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