Macho Voiceover: You think you know Extreme?

Scene: Snowboarder going down a steep hill at high speed, 
weaving between trees.

MVO: Hope you wore your wooly under wear.

Scene: Man on mountain bike travelling through rough terrain. 
Suddenly he makes a turn and flys accross a ravine. Landing on 
the other side with a bone jarring thump, he then keeps going.

MVO: Congratulations on doing that without training wheels.

Scene: Man climbing up sheer cliff with no equipment, a couple 
thousand feet in the air.

MVO: Wuss.

Scene: Somewhere on campus, a nine foot tall humanoid with lots 
of bony protusions casually backhands Mitsurugi into a wall.

MVO: Demon Hunting. Redefining Extreme.

Scene: The four guys from the Mountain Dew commercials with 
expressions of shock and disbelief. One of them speaks up: "I 
don't care what our contract says. I'm not doing that."

MVO: Mystery Club. It's Extreme.