Common Side Effects

Common Side Effects

Created by Steve Hely, Joseph Bennett

On Adult Swim

2025–2 seasons10 episodes23 min8.5 / 10

A darkly comedic conspiracy thriller about two former lab partners uncovering a pharmaceutical cover-up, balancing paranoia and optimism through playful irreverence.

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 the world’s diseases.

Where to watch

Questions people ask

  • Does Common Side Effects leave you hopeful? Somewhat. More hopeful than 69% of series.

  • Is Common Side Effects sad? Not especially. Less sad than 68% of series.

  • Is Common Side Effects violent? Not especially. Less violent than 61% of series.

  • Is Common Side Effects scary? Somewhat. More frightening than 59% of series.

  • Is Common Side Effects easy watching? About average. Almost exactly mid-range.

These describe how the series comes across across its whole run, compared with other well-known series. They are not a content list — nothing here was counted or checked episode by episode, so for age-suitability or specific content use a classification board or a dedicated content-warning service.

Written about

67/ 100

Cinnamon Score

How much this series gives you that nothing else will, and whether it delivers.

Distinctly its own thing.

Rarity76

How unlike any other series this one feels

Surprise65

How much more it delivers than it promises

Love60

How much audiences actually like it

The highest scores in the catalogue →

Ensemble

Everything like Common Side Effects, and what each one shares →

Like Common Side Effects

Nearest across the full emotional profile.

Same Mood as Common Side Effects

Nearest on what's most distinctive about this one.

Like Common Side Effects, But Darker

Similar, pushed toward heavier and more intense.

Like Common Side Effects, But Lighter

Similar, pushed toward warmer and easier.

Like Common Side Effects, But Less Popular

Same territory, far fewer people have seen it.

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