About Common Side Effects
Common Side Effects Season 2 returns to Adult Swim with the next chapter of the animated conspiracy comedy following Marshall and Frances, former high school lab partners drawn into a battle against big pharma and a government cover-up of a miraculous mushroom. The acclaimed series earned an 8.4 rating on TMDB in its first season and was renewed for Season 2 in March 2025, with production targeting a late 2026 release. Created by Joseph Bennett and Steve Hely, it has drawn comparisons to King of the Hill for its heartfelt character work. Count down the days until Common Side Effects Season 2 with our live countdown timer.
Common Side Effects Trailers & Videos
Official Trailer [Adult Swim Europe]
Trailer for the upcoming release
Official Trailer #3
Trailer for the upcoming release
Official Trailer #2
Trailer for the upcoming release
Common Side Effects premiere date
Common Side Effects premieres on Monday, 5 October 2026.
Future Common Side Effects dates
| Event | Date | Link |
|---|---|---|
| Common Side Effects Season 2 | Countdown |
Past Common Side Effects dates
| Event | Date | Link |
|---|---|---|
| Common Side Effects Season 2 | Countdown |