Dinosaurs Take Over 'American Ninja Warrior' Obstacle Course in a Sneak Peek (VIDEO)

More like Jurassic Ninja Warrior.

In a bizarre turn of events on Monday's American Ninja Warrior, contestant Grant McCartney finds himself trying out outrun a pack of oddly strong dinosaurs who just want their chance at the obstacle course.

'American Ninja Warrior' Hosts Matt Iseman & Akbar Gbajabiamila on the 3 Toughest Obstacles

Matt Iseman and Akbar Gbajabiamila reveal even the best athletes fear the balancing challenges.

"Let's see what kind of agility these dinos have," one of the commentators says, as they hilariously drop into the water.

Will McCartney be able to complete the course or will these hungry prehistoric animals get to him first?

Watch the exclusive clip below:

American Ninja Warrior, Mondays, 8/7c, NBC