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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(1544 votes)

    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(1198 votes)

    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(1309 votes)

    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(1002 votes)

    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(1136 votes)

    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(1090 votes)

    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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  7. Common Side Effects Season 1 Episode 8 - Amelia & Wyatt
    8.3/10(990 votes)

    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(1055 votes)

    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(1089 votes)

    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(1202 votes)

    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 1544 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".