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The Worst Episodes of Common Side Effects

Every episode of Common Side Effects ranked from worst to best. Explore the Worst Episodes of Common Side Effects!

Binge this in 3h 47m•Peaking at 9.0/10

Former high school lab partners Marshall and Frances begin to unravel a conspiracy involving big pharma and the federal government to suppress knowledge of a rare mushroom that may hold the key to curing all

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Episode Rankings

  1. #1 Worst Episode
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    Common Side Effects Season 1 Episode 1 - Pilot
    8.1/10(1263 votes)

    #1 - Pilot

    S1:E1

    Marshall meets his old high school classmate Frances and lets her in on a world-changing secret.

    Director:Camille Bozec
    Writers:Joseph Bennett, Steve Hely

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  2. Common Side Effects Season 1 Episode 3 - Hildy
    8.1/10(970 votes)

    #2 - Hildy

    S1:E3

    Marshall visits an old mentor as new pressures mount.

    Director:Vincent Tsui
    Writer:Emma Barrie

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  3. Common Side Effects Season 1 Episode 2 - Lakeshore Limited
    8.2/10(1077 votes)

    #3 - Lakeshore Limited

    S1:E2

    Marshall's forced on the run as the DEA pursues him.

    Director:Sean Buckelew
    Writer:Steve Hely

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  4. Common Side Effects Season 1 Episode 7 - Blowfish
    8.2/10(794 votes)

    #4 - Blowfish

    S1:E7

    A chance encounter offers a risky opportunity for escape.

    Director:Camille Bozec
    Writer:Karey Dornetto

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  5. Common Side Effects Season 1 Episode 4 - Dumpsite
    8.3/10(916 votes)

    #5 - Dumpsite

    S1:E4

    Frances tracks down Marshall in an unlikely location.

    Director:Camille Bozec
    Writer:Jean Kyoung Frazier

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  6. Common Side Effects Season 1 Episode 5 - Star-Tel-Lite
    8.3/10(875 votes)

    #6 - Star-Tel-Lite

    S1:E5

    Marshall, Frances, and their crazy neighbors deal with the aftermath of a dangerous incident.

    Director:Sean Buckelew
    Writer:Dave King

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    The 20 BEST Episodes of Common Side Effects

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  7. Common Side Effects Season 1 Episode 8 - Amelia & Wyatt
    8.3/10(782 votes)

    #7 - Amelia & Wyatt

    S1:E8

    Marshall and his new ally make a bold move.

    Director:Sean Buckelew
    Writer:Daniel Schofield

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  8. Common Side Effects Season 1 Episode 6 - In the System
    8.4/10(844 votes)

    #8 - In the System

    S1:E6

    Stuck in jail, Marshall faces new threats.

    Director:Vincent Tsui
    Writer:Jon Foor

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  9. Common Side Effects Season 1 Episode 9 - Cliff's Edge
    8.8/10(873 votes)

    #9 - Cliff's Edge

    S1:E9

    Marshall's mushroom project grows out of hand.

    Director:Vincent Tsui
    Writer:Sophie Kriegel

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  10. Common Side Effects Season 1 Episode 10 - Raid
    9.0/10(947 votes)

    #10 - Raid

    S1:E10

    Dangerous forces converge on Marshall's camp.

    Director:Camille Bozec
    Writer:Steve Hely

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Worst Episodes Summary

"Pilot" is the worst rated episode of "Common Side Effects". It scored 8.1/10 based on 1263 votes. Directed by Camille Bozec and written by Joseph Bennett, Steve Hely, it aired on 2/2/2025. This episode scored 0.0 points lower than the second lowest rated, "Hildy".