The Amazing race celebrates its 100th episode. During this milestone episode, "How's That Face Feel?," one family member amuses the rest of the family with a face plant into the water after plunging down a 60 ft. ramp on THE AMAZING RACE 8. In addition, teams are shocked to receive a clue from an unlikely messenger, an 1,100-pound grizzly bear. Meanwhile, one racer's motor mouth drives fellow teammates crazy.