Welcome to greatest experiment ever seen, the official Dexter's Laboratory YouTube Channel.

Past the vaulted doors lives the smartest boy the world has ever seen, Dexter, boy genius! He's constantly creating dazzling, world-saving inventions in his secret laboratory. His big sister Dee Dee frequently wrecks his experiments. However, he has bigger problems such as his nemesis, Mandark, his brilliant rival at Huber Elementary School. Mom and Dad, of course, have no idea what their little angel is up to.

Enjoy classic moments from all your favorite episodes.

What does that SUBSCRIBE button do? Press it before Dee Dee does to find out!