Back to the Future... The Ride (1991 Video)

David de Vos: Institute Scientist

Quotes 

• Biff Tannen : [after short-circuiting the lab, and trapping Doc in his own office, he knocks]  Hello! Hello! Dr. Brown!

  Doc Brown : Biff! How in the blazes did you get here?

  Biff Tannen : [revealing the tied up scientists]  Why don't you ask these bozos?

  Institute Scientist : [Biff removes the tape off of the scientist's mouth]  Dr. Brown. Our team was conducting an experiment back in 1955.

  Female IFT Scientist : He must have stowed away!

  Biff Tannen : Hey! I'm not the one to pass on a free ride!