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The Best Episodes of Investigation Alien

Every episode of Investigation Alien ranked from best to worst. Let's dive into the Best Episodes of Investigation Alien!

Binge this in 3h 44m•Peaking at 6.9/10

In this gripping docuseries, legendary reporter George Knapp travels the globe to uncover new evidence about UFOs and investigate their presence on Earth.

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Episode Rankings

  1. #1 Fan Favorite
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    Investigation Alien Season 1 Episode 5 - The Phoenix Lights
    6.9/10(101 votes)

    #1 - The Phoenix Lights

    S1:E5

    George and Vee receive new intel on the Phoenix Lights, a mass sighting reportedly witnessed by thousands. Experts test the debris from the Iowa crash.

    Director:Unknown
    Writer:Unknown

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  2. Investigation Alien Season 1 Episode 1 - Why Are They Here?
    6.8/10(154 votes)

    #2 - Why Are They Here?

    S1:E1

    Oregon ranchers report a wave of animal mutilations linked to crop circles. Are UFOs to blame? George and ex-CIA officer Doug delve into the mystery.

    Director:Unknown
    Writer:Unknown

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  3. Investigation Alien Season 1 Episode 2 - The Brazil Connection
    6.8/10(136 votes)

    #3 - The Brazil Connection

    S1:E2

    George and combat pilot Vee visit a Brazilian island to investigate new sightings and uncover a possible link to a '70s UFO attack that occurred nearby.

    Director:Unknown
    Writer:Unknown

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  4. Investigation Alien Season 1 Episode 6 - Alien Identity
    6.8/10(110 votes)

    #4 - Alien Identity

    S1:E6

    In a rush to complete his counter report, George tracks down a witness to a key Big Sur sighting and delves into a theory about time-traveling aliens.

    Director:Unknown
    Writer:Unknown

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  5. Investigation Alien Season 1 Episode 4 - The Counter Report
    6.6/10(110 votes)

    #5 - The Counter Report

    S1:E4

    Determined to dispute a Pentagon report denying the existence of UFOs, George digs into a bombshell claim and sends Doug to a possible crash site in Iowa.

    Director:Unknown
    Writer:Unknown

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  6. Investigation Alien Season 1 Episode 3 - Alien Waters
    6.4/10(133 votes)

    #6 - Alien Waters

    S1:E3

    Could extraterrestrials be dwelling in our oceans? George and Doug head to Tampico, Mexico, to investigate claims of a magnetic alien base off the coast.

    Director:Unknown
    Writer:Unknown

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    7. Trending NowTRENDING NOW

    The 20 WORST Episodes of Investigation Alien

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Best Episodes Summary

"The Phoenix Lights" is the best rated episode of "Investigation Alien". It scored 6.9/10 based on 101 votes. Directed by Unknown and written by Unknown, it aired on 11/8/2024. This episode scored 0.1 points higher than the second highest rated, "Why Are They Here?".