♪ ♪ the social media sensation known as dude perfect has made millions of fans and earned lucrative endorsement deals by doing things that most kids would do for free. >> their trick shots will make your jaw drops. instead of fancy editing, they take the old fashioned approach. we're up with "nightline's" juju chang. >> reporter: they call themselves dude perfect, the high flying, gravity defying, trick shot making megastars of the internet. with 13 million fans on facebook. and nearly 6 million subscribers on youtube, racking up more than 750 million views. >> we're dude perfect. >> let's do some trick shots. >> it's their testosterone