S22 E1: Mammoths of the Ice Age

S22 E2: Vikings in America

S22 E3: Little Creatures Who Run the World

S22 E4: Nazi Designers of Death

S22 E5: Siamese Twins

S22 E6: Mystery of the Senses—Hearing

S22 E7: Mystery of the Senses—Smell

S22 E8: Mystery of the Senses—Taste

S22 E9: Mystery of the Senses—Touch

S22 E10: Mystery of the Senses—Vision

S22 E11: The Universe Within

S22 E12: Making of a Doctor

S22 E13: Fast Cars