Common Side Effects poster

TV series

Common Side Effects

2025TV-MA2 seasons8.4 / 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 the world’s diseases.

See where to watch

Streaming, rental and purchase options

Where to watch in United States

Checked Jul 22, 2026

Availability and prices can change. Confirm the details on the streaming service before you subscribe, rent or buy.

Synopsis

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.

Cast, crew and production details

About Common Side Effects

Cast

Dave KingMarshall Cuso (voice)
Emily PendergastFrances Applewhite (voice)
Mike JudgeRick Kruger (voice)
Martha KellyAgent Harrington (voice)
Joseph Lee AndersonAgent Copano (voice)
Alan ResnickZane (voice)
Lin ShayeSonia (voice)
Andy DalyChristopher (voice)

Credits

Created by
Joseph Bennett, Steve Hely
Written by
Steve Hely, Karey Dornetto, Daniel Schofield, Dave King, Joseph Bennett, Emma Barrie, Jean Kyoung Frazier, Jon Foor, Sophie Kriegel

Production details

Status
Returning Series
Series type
Scripted
Episodes
10
Original language
English

Networks & production

  • Adult SwimUnited States
  • Bandera EntertainmentUnited States
  • Green Street PicturesUnited States
  • Williams StreetUnited States
  • Tell Me More

Themes

adult animationambiguouscomedy thrillerconspiracydark comedygovernment conspiracyintrospectivemiracle curemushroompharmaceutical industry

Season 2 episodes

Watch options above are for the show and may vary by season or episode.

← Season 1
We don't have episode details for this season yet.

Episode information updated Jul 22, 2026