Scooby-Doo and the Alien Invaders (2000 Video)

Mark Hamill: Steve

Photos 

Quotes 

• Daphne Blake : Scooby, Shaggy, those aliens are Crystal and Amber!

  [Shaggy and Scooby look at each other, confused] 

  Norville 'Shaggy' Rogers : What are you talking about?

  Velma Dinkley : Look at them!

  [Shaggy and Scooby look at Crystal and Amber] 

  Crystal : [an alien]  Shaggy, help!

  Norville 'Shaggy' Rogers : Zoinks! Those are the girls!

  Steve : Those two clowns can't help you!