Common Side Effects backdrop
Common Side Effects poster
Animation•
Drama•
Comedy•

The Worst Episodes of Common Side Effects

Adult Swim

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

The Worst Episodes of Common Side Effects

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...

Filter By Season2

Season 1 poster

Season 1

View Season
Season 2 poster

Season 2

View Season
  1. 8.1/10(913 votes)

    #1 - Pilot

    S1:E1

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

    0 Comments
    View all
    Director:Camille Bozec
    Writers:Joseph Bennett, Steve Hely
  2. 8.2/10(695 votes)

    #2 - Hildy

    S1:E3

    Marshall visits an old mentor as new pressures mount.

    0 Comments
    View all
    Director:Vincent Tsui
    Writer:Emma Barrie
  3. 8.3/10(783 votes)

    #3 - Lakeshore Limited

    S1:E2

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

    0 Comments
    View all
    Director:Sean Buckelew
    Writer:Steve Hely
  4. 8.3/10(543 votes)

    #4 - Blowfish

    S1:E7

    A chance encounter offers a risky opportunity for escape.

    0 Comments
    View all
    Director:Camille Bozec
    Writer:Karey Dornetto
  5. 8.4/10(651 votes)

    #5 - Dumpsite

    S1:E4

    Frances tracks down Marshall in an unlikely location.

    0 Comments
    View all
    Director:Camille Bozec
    Writer:Jean Kyoung Frazier
  6. 8.4/10(612 votes)

    #6 - Star-Tel-Lite

    S1:E5

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

    0 Comments
    View all
    Director:Sean Buckelew
    Writer:Dave King
    7. Trending NowTRENDING NOW

    The 20 BEST Episodes of Common Side Effects

    READ
  7. 8.4/10(535 votes)

    #7 - Amelia & Wyatt

    S1:E8

    Marshall and his new ally make a bold move.

    0 Comments
    View all
    Director:Sean Buckelew
    Writer:Daniel Schofield
  8. 8.5/10(591 votes)

    #8 - In the System

    S1:E6

    Stuck in jail, Marshall faces new threats.

    0 Comments
    View all
    Director:Vincent Tsui
    Writer:Jon Foor
  9. 8.9/10(601 votes)

    #9 - Cliff's Edge

    S1:E9

    Marshall's mushroom project grows out of hand.

    0 Comments
    View all
    Director:Vincent Tsui
    Writer:Sophie Kriegel
  10. 9.1/10(640 votes)

    #10 - Raid

    S1:E10

    Dangerous forces converge on Marshall's camp.

    0 Comments
    View all
    Director:Camille Bozec
    Writer:Steve Hely

Worst Episodes Summary

"Pilot" is the worst rated episode of "Common Side Effects". It scored 8.1/10 based on 913 votes. Directed by Camille Bozec and written by Joseph Bennett, Steve Hely, it aired on 2/2/2025. This episode scored 0.1 points lower than the second lowest rated, "Hildy".