A two hour American television program (produced in the style of a traditional nature documentary) that first aired on Discovery Channel in 2001. It was directed by Pierre de Lespinois and narrated by actor John Goodman. The dinosaurs were designed by Paleo-artist and art director Mark Dubeau, who is also noted for creating dinosaurs on a myriad of other Discovery Channel and National Geographic specials. The dinosaur animation was directed by noted animator Don Waller (RoboCop, King Kong) at Meteor Studios, in Montreal, Canada.