S18 E1: Return to Mt. St. Helens

S18 E2: ConFusion in a Jar

S18 E3: The Hunt for China's Dinosaurs (1)

S18 E4: Case of the Flying Dinosaur

S18 E5: T. rex Exposed

S18 E6: The Russian Right Stuff: The Invisible Spaceman

S18 E7: The Russian Right Stuff: The Dark Side of the Moon

S18 E8: The Russian Right Stuff: The Mission

S18 E9: Swimming With Whales

S18 E10: The Chip vs. the Chess Master

S18 E11: Sex, Lies and Toupee Tape

S18 E12: So You Want to Be a Doctor?

S18 E13: Secrets of the Dead Sea Scrolls

S18 E14: Suicide Mission to Chernobyl

S18 E15: Taller Than Everest?

S18 E16: Fastest Planes in the Sky

S18 E17: Avoiding the Surgeon's Knife

S18 E18: Skyscraper! A NOVA Special

S18 E19: The Fine Art of Faking It