Back to the Future Part II, Futurepedia
Toy Story 2 - Wikipedia
DreamWorks' Penny, Tachyon Movies Wiki
Back to the Future - Prop Tracker
Back to the Future Part II (1989) - IMDb
Hill Valley, Futurepedia
Terminator 2: Judgment Day - Wikipedia
Fairy Godmother, Universal Studios Wiki
Biff Tannen, Futurepedia
Back to the Future: The Game - Wikipedia