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The Best Episodes of Impossible Repairs Season 4

Every episode of Impossible Repairs Season 4 ranked from best to worst. Discover the Best Episodes of Impossible Repairs Season 4!

Host Mike Davidson is on a globetrotting mission to get an up-close look at some of the most incredible machines on Earth and to meet the hard-hat heroes that keep them running. This six-part series

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Smithsonian Channel
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Seasons4

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Episode Rankings

  1. #1 Fan Favorite
    Impossible Repairs Season 4 Episode 1 - Monster Jam
    0.0/10(0 votes)

    #1 - Monster Jam

    S4:E1

    At Monster Jam, custom-built monster trucks roll, flip, and fly through the air. With the metal-bending beating these trucks endure, teams of specialized mechanics race against the clock to repair these engineering marvels intime for the next event.

    Director:Unknown
    Writer:Unknown

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  2. Impossible Repairs Season 4 Episode 2 - Volcano Power
    0.0/10(0 votes)

    #2 - Volcano Power

    S4:E2

    Mike is in Iceland, where teams harness the power of volcanoes to keep the geothermal energy flowing; they battle harsh weather to maintain and upgrade giant power systems, fixing miles of steam pipes and bringing a dead well back to life.

    Director:Unknown
    Writer:Unknown

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  3. Impossible Repairs Season 4 Episode 3 - Water Work
    0.0/10(0 votes)

    #3 - Water Work

    S4:E3

    In Florida, Mike tackles one of the most dangerous jobs on the planet - commercial diving. He helps a specialized team keep waterways safe; fixing construction site leaks, and removing dangerous structures...all while hurricane season is in full swing.

    Director:Unknown
    Writer:Unknown

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  4. Impossible Repairs Season 4 Episode 4 - Sky Rides
    0.0/10(0 votes)

    #4 - Sky Rides

    S4:E4

    In the Alps of Switzerland, Mike helps an elite team install a new cable (rope) system on an iconic mountain gondola line, helps fix the world's steepest cogwheel railway track and explores mountaintop family farms only accessible by cable cars.

    Director:Unknown
    Writer:Unknown

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  5. Impossible Repairs Season 4 Episode 5 - Reef Rescue
    0.0/10(0 votes)

    #5 - Reef Rescue

    S4:E5

    Mike in north eastern Australia, going on and under the water, into labs and onto construction projects working with specialized teams as they tackle the daunting challenge of saving dying coral on the incredible Great Barrier Reef.

    Director:Unknown
    Writer:Unknown

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  6. Impossible Repairs Season 4 Episode 6 - Tunnel Vision
    0.0/10(0 votes)

    #6 - Tunnel Vision

    S4:E6

    Mike joins crews as they build the world's longest railway tunnel in the Alps, fixing gridlock through the infamous Brenner Pass by drilling, blasting and digging their way through the mountains while pushing through a challenging fault zone.

    Director:Unknown
    Writer:Unknown

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  7. Impossible Repairs Season 4 Episode 7 - Scream Machines
    0.0/10(0 votes)

    #7 - Scream Machines

    S4:E7

    Mike works with repair and construction teams at Dreamworld, Australia's largest theme park, after a cyclone caused $4M in damage. They fix scream machines and finish a $50M expansion featuring the world's first triple switch rollercoaster.

    Director:Unknown
    Writer:Unknown

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  8. Impossible Repairs Season 4 Episode 8 - For-Everglades
    0.0/10(0 votes)

    #8 - For-Everglades

    S4:E8

    Mike works with the Army Corps of Engineers on a massive project to restore essential flow of fresh water to the Florida Everglades. He also joins scientists, python hunters and the Miccosuke Tribe to eliminate invasive species in these wetlands.

    Director:Unknown
    Writer:Unknown

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Season 4 Ratings Summary

"Monster Jam" is the best rated episode of "Impossible Repairs" season 4. It scored /10 based on 0 votes. Directed by Unknown and written by Unknown, it aired on 6/1/2025. This episode is rated 0.0 points higher than the second-best, "Volcano Power".