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The Best Episodes of NOVA Season 33

Every episode of NOVA Season 33 ranked from best to worst. Discover the Best Episodes of NOVA Season 33!

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PBS' premier science series helps viewers of all ages explore the science behind the headlines. Along the way, NOVA demystifies science and technology, and highlights the people involved in scientific pursuits.

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Episode Rankings

  1. #1 Fan Favorite
    NOVA Season 33 Episode 1 - Mystery of the Megaflood
    7.4/10(20 votes)

    #1 - Mystery of the Megaflood

    S33:E1

    It was the greatest flood of the past two million years, and it posed a giant scientific riddle. A maverick geologist became convinced that thousand-foot-deep floodwaters had scoured out vast areas of the American northwest near the end of the last ice age. Mainstream scientists scorned his theory while he searched patiently for answers to what could have triggered such an inconceivably violent event. Finally, an ingenious solution silenced the skeptics: traces of an enormous ice dam half a mile high, which had blocked a valley in present-day Montana and created an enormous lake behind it. With the help of stunningly realistic animation, NOVA takes viewers back to the Ice Age to reveal what happened when the dam broke, unleashing a titanic flood that swept herds of woolly mammoth and everything else into oblivion.

    Director:Ben Fox
    Writer:Unknown

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  2. NOVA Season 33 Episode 2 - Sinking the Supership
    0.0/10(0 votes)

    #2 - Sinking the Supership

    S33:E2

    The search for the wreck of the Yamato, the largest and mightiest battleship ever floated and the pride of the Japanese Imperial Fleet. Constructed in absolute secrecy and sunk by American planes toward the end of World War II, her rapid demise had been a mystery, rather like a military Titanic.

    Director:David Axelrod
    Writer:David Axelrod

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  3. NOVA Season 33 Episode 3 - Einstein's Big Idea
    7.1/10(16 votes)

    #3 - Einstein's Big Idea

    S33:E3

    Exactly 100 years ago, Albert Einstein grappled with the implications of his revolutionary Special Theory of Relativity and came to a startling conclusion: mass and energy are one, related by the formula E = mc2. Among Einstein's ideas, E = mc2 is by far the most famous. Yet how many people know what it really means? In a thought-provoking and engrossing documentary, Einstein's Big Idea illuminates this deceptively simple formula by unrevealing the story of how it came to be.

    Director:Gary Johnstone
    Writer:Gary Johnstone

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  4. NOVA Season 33 Episode 4 - Volcano Under the City
    7.6/10(20 votes)

    #4 - Volcano Under the City

    S33:E4

    A restless mountain threatens a bustling metropolis perched on its flanks.

    Director:Antoine de Maximy
    Writer:Unknown

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  5. NOVA Season 33 Episode 5 - Hitler's Sunken Secret
    7.8/10(28 votes)

    #5 - Hitler's Sunken Secret

    S33:E5

    One of the most daring clandestine operations of World War II was the 1944 sinking of the Norwegian ferry Hydro with its cargo of "heavy water" destined for the Nazis' secret atomic bomb project. Although the mission was declared a success, no one ever established if the special shipment was actually on board. In this program, NOVA descends 1,300 feet beneath a remote Norwegian lake to find the answer.

    Director:Duncan Copp
    Writer:Unknown

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  6. NOVA Season 33 Episode 6 - Newton's Dark Secrets
    7.6/10(15 votes)

    #6 - Newton's Dark Secrets

    S33:E6

    He was the greatest scientist of his day, perhaps of all time. But while Isaac Newton was busy discovering the universal law of gravitation, he was also searching out hidden meanings in the Bible and pursuing the covert art of alchemy. In this program, NOVA explores the strange and complex mind of Isaac Newton. Using docudrama scenes starring Scott Handy (Masterpiece Theatre's Henry VIII) as Newton, this film recreates the unique climate of late 17th-century England, where a newfound fascination with science and mathematics coexisted with extreme views on religious doctrine. Newton shared both obsessions.

    Director:Chris Oxley
    Writer:Joseph McMaster

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  7. NOVA Season 33 Episode 7 - Storm That Drowned a City
    7.8/10(13 votes)

    #7 - Storm That Drowned a City

    S33:E7

    In less than 12 hours on August 29, 2005, Hurricane Katrina devastated the Louisiana coast, leading to more than a thousand deaths and transforming a city of over one million into an uninhabitable swamp. NOVA investigates the science of Hurricane Katrina, combining a penetrating analysis of what went wrong with a dramatic, minute-by-minute unfolding of events told through eyewitness testimony. What made this storm so deadly? Will powerful hurricanes like Katrina strike more often? How accurately did scientists predict its impact, and why did the levees protecting New Orleans fail?

    Directors:Peter Chinn, Caroline Penry-Davey
    Writers:Peter Chinn, Caroline Penry-Davey

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  8. NOVA Season 33 Episode 8 - The Mummy Who Would Be King
    8.4/10(31 votes)

    #8 - The Mummy Who Would Be King

    S33:E8

    Could a mummy found in Niagara Falls be the remains of a long-lost Pharaoh?

    Director:Gail Willumsen
    Writer:Gail Willumsen

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  9. NOVA Season 33 Episode 9 - Deadly Ascent
    7.4/10(41 votes)

    #9 - Deadly Ascent

    S33:E9

    Doctors, rescuers and mountaineers try to determine why people die attempting to climb Mount McKinley.

    Director:Liesl Clark
    Writer:Liesl Clark

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  10. NOVA Season 33 Episode 10 - The Perfect Corpse
    7.0/10(21 votes)

    #10 - The Perfect Corpse

    S33:E10

    Forensic investigators tease secrets from the well preserved bodies of people buried long ago under peat bogs.

    Director:John Hayes Fisher
    Writer:Unknown

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  11. NOVA Season 33 Episode 11 - Jewel of the Earth
    8.0/10(29 votes)

    #11 - Jewel of the Earth

    S33:E11

    David Attenborough probes the mystery of ancient life-forms perfectly preserved in amber.

    Director:John Aitchison
    Writer:Unknown

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  12. NOVA Season 33 Episode 12 - The Ghost Particle
    5.9/10(19 votes)

    #12 - The Ghost Particle

    S33:E12

    A 40-year hunt for solar neutrinos leads to a new understanding of matter itself.

    Director:David Sington
    Writer:David Sington

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  13. NOVA Season 33 Episode 13 - Arctic Passage
    7.5/10(37 votes)

    #13 - Arctic Passage

    S33:E13

    NOVA recreates the expeditions of Sir John Franklin and Roald Amundsen, two Arctic explorers who set out to find the legendary Arctic sea route known as the Northwest Passage.

    Director:Louise Osmond
    Writer:Chris Schmidt

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  14. NOVA Season 33 Episode 14 - The Great Robot Race: Nova
    6.5/10(2 votes)

    #14 - The Great Robot Race: Nova

    S33:E14

    Driverless vehicles compete in a 130-mile race across the Majove Desert.

    Director:Joseph Seamans
    Writer:Joseph Seamans

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  15. NOVA Season 33 Episode 15 - Voyage to the Mystery Moon
    8.1/10(52 votes)

    #15 - Voyage to the Mystery Moon

    S33:E15

    A mission to Saturn and its enigmatic sattelite, Titan, looks for clues to the origins of life.

    Director:Paul Olding
    Writers:Paul Olding, William Hicklin

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  16. NOVA Season 33 Episode 16 - Dimming the Sun
    8.0/10(75 votes)

    #16 - Dimming the Sun

    S33:E16

    Everyone has heard of global warming, but a lesser-known man-made phenomenon has been nearly as powerful at affecting Earth's climate. A look at global dimming, created by soot and pollution reflecting the sun's rays and surprisingly helping to offset global warming's catastrophic advance.

    Director:Duncan Copp
    Writer:Unknown

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  17. NOVA Season 33 Episode 17 - Wings of Madness
    7.1/10(28 votes)

    #17 - Wings of Madness

    S33:E17

    Nova reviews the contribution of Alberto Santos Dumont in the early days of aircraft development and his uncanny ability to abandon one line of endeavor for a technology with better long term potential.

    Director:Unknown
    Writer:Unknown

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  18. NOVA Season 33 Episode 18 - Family That Walks on All Fours
    6.3/10(15 votes)

    #18 - Family That Walks on All Fours

    S33:E18

    This episode focuses on a scientific debate about five siblings in a Turkish family who walk on all fours. When, in 2005, scientist Uner Tan labeled them "genetic throwbacks," they became part of the dialogue about a possible missing link to an era when humans walked on all fours. Included: comments from geneticist Sean Carroll and anthropologist Brian Richmond, who disagree with Tan; and interviews with and footage of the family.

    Director:Unknown
    Writer:Unknown

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  19. NOVA Season 33 Episode 19 - ScienceNOW: Extinction
    0.0/10(0 votes)

    #19 - ScienceNOW: Extinction

    S33:E19

    The "Nova scienceNOW" magazine delves into a case of mass extinction some 250 million years ago; investigates the 1918 influenza outbreak, which killed as many as 50 million people; details the work of MIT roboticist Cynthia Breazeal's efforts to create "sociable robots"; and examines attempts to decipher 2000-year-old papyrus scrolls. Neil deGrasse Tyson hosts.

    Director:Unknown
    Writer:Unknown

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  20. NOVA Season 33 Episode 20 - Underwater Dream Machine
    8.2/10(18 votes)

    #20 - Underwater Dream Machine

    S33:E20

    The story of Peter Robbins, an engineer who---at a cost of $1.5 million---built his own submarine (named Alicia) in order to explore sunken German U-boats. Included: the Alicia's maiden voyage.

    Director:Unknown
    Writer:Unknown

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Season 33 Ratings Summary

"Mystery of the Megaflood" is the best rated episode of "NOVA" season 33. It scored 7.4/10 based on 20 votes. Directed by Ben Fox and written by Unknown, it aired on 9/20/2005. This episode is rated 7.4 points higher than the second-best, "Sinking the Supership".