
TV show · animation, drama
Common Side Effects
Since 2025 · 2 seasons, 11 episodes · still running
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Seasons and episodes Common Side Effects
Season scores: TMDB, out of 10.
Season 1
2025 · 10 episodes · about 4h · 7.6/10
1. Pilot22 min · 7.9/10
Marshall meets his old high school classmate Frances and lets her in on a world-changing secret.
2. Lakeshore Limited23 min · 7.6/10
Marshall's forced on the run as the DEA pursues him.
3. Hildy23 min · 7.9/10
Marshall visits an old mentor as new pressures mount.
4. Dumpsite23 min · 7.6/10
Frances tracks down Marshall in an unlikely location.
5. Star-Tel-Lite22 min · 7.1/10
Marshall, Frances, and their crazy neighbors deal with the aftermath of a dangerous incident.
6. In the System23 min · 7.5/10
Stuck in jail, Marshall faces new threats.
7. Blowfish23 min · 7.4/10
A chance encounter offers a risky opportunity for escape.
8. Amelia & Wyatt22 min · 7.2/10
Marshall and his new ally make a bold move.
9. Cliff's Edge23 min · 7.6/10
Marshall's mushroom project grows out of hand.
10. Raid23 min · 7.9/10
Dangerous forces converge on Marshall's camp.
Season summaries2 seasons, 11 episodes
Season 1
2025 · 10 episodes · about 4h · TMDB 7.6
Season 2
2027 · 1 episode
Episodes run about 23 min. Still running.
Is it worth watching? Common Side Effects
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Reception
On other sites
8.5/10370 votes
What is it about? 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 rare mushroom that may hold the key to curing all the world’s diseases.
Genres: animation, drama, comedy, sci-fi & fantasy. Themes: mushroom, pharmaceutical industry, dark comedy, conspiracy, adult animation, government conspiracy.
Cast and crew Common Side Effects
AllCreators
- Created byJoseph Bennett
- Created bySteve Hely
- MusicNicolas Snyder
- EditingTony Christopherson
- NetworkAdult Swim
Full cast20 cast members across all seasons
Cast:
- Dave King · Marshall Cuso (voice) · 11 ep.
- Emily Pendergast · Frances Applewhite (voice) · 10 ep.
- Mike Judge · Rick Kruger (voice) · 10 ep.
- Martha Kelly · Agent Harrington (voice) · 10 ep.
- Joseph Lee Anderson · Agent Copano (voice) · 10 ep.
- Alan Resnick · Zane (voice) · 3 ep.
- Lin Shaye · Sonia (voice) · 3 ep.
- Shalita Grant · Susan (voice) · 6 ep.
- Andy Daly · Christopher (voice) · 2 ep.
- Bob Stephenson · Line Guy 2 (voice) · 3 ep.
- Timothy Simons · Test Subject 3 (voice) · 3 ep.
- Nicolas Cantu · Tommy (voice) · 1 ep.
- Jon Foor · Hoang (voice) · 3 ep.
- Sydney Tamiia Poitier · Cecily (voice) · 7 ep.
- Sue Rose · Hildy (voice) · 8 ep.
- Shannon Woodward · Diane (voice) · 8 ep.
- Danny Huston · Jonas Backstein (voice) · 6 ep.
- Ben Feldman · Nick (voice) · 8 ep.
- Steve Hely · Rusty (voice) · 6 ep.
- Christine Ko · Kiki (voice) · 5 ep.
Crew:
- Steve Hely · Executive Producer
- Sean Buckelew · Executive Producer
- Kelly Crews · Executive Producer
- Benjy Brooke · Executive Producer
- Greg Daniels · Executive Producer
- Joseph Bennett · Executive Producer
- Dustin Davis · Executive Producer
- Mike Judge · Executive Producer
- Suzanna Makkos · Executive Producer
- James Merrill · Executive Producer
- Tony Christopherson · Editor
- Jonathan Roig · Producer
- Max Minor · Producer
- Susan Shi · Producer
- Adam Weisman · Casting
- Jacey Bradley · Producer
- Paige Boudreaux · Producer
- Nicolas Snyder · Original Music Composer
- Camille Bozec · Director
- Sean Buckelew · Director
- Vincent Tsui · Director
- Steve Hely · Writer
- Sophie Kriegel · Writer
- Jon Foor · Writer
- Emma Barrie · Writer
- Daniel Schofield · Writer
- Dave King · Writer
- Joseph Bennett · Writer
- Jean Kyoung Frazier · Writer
- Karey Dornetto · Writer
Trailer Common Side Effects
ENPromo #5February 2, 2025Shows like this Common Side Effects
Details Common Side Effects

- First episode
- February 2, 2025
- Last episode
- March 30, 2025
- Status
- still running
- Network
- Adult Swim
- Country
- United States
- Original language
- English
- Rating
- TV-MA
- Studios
- Bandera Entertainment, Green Street Pictures, Williams Street, Tell Me More
Frequently asked questions
How many seasons does Common Side Effects have?
2 seasons, 11 episodes. The last episode aired March 30, 2025.
Who’s in Common Side Effects?
Dave King, Emily Pendergast, Mike Judge, Martha Kelly, Joseph Lee Anderson, Alan Resnick, Lin Shaye, Shalita Grant, Andy Daly, and Bob Stephenson. Created by Joseph Bennett and Steve Hely.
Sources: TMDB (title data, images). As of November 13, 2026. This product uses the TMDB API but is not endorsed or certified by TMDB. · Ta strona po polsku






































