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8.52025 · Returning Series2 seasons11 episodesHD · Subtitles

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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.

Common Side Effects runs for 2 seasons, created by Joseph Bennett and Steve Hely. Every episode page keeps the show's order, so you can watch from the pilot to the finale without hunting for the next link. Episodes are bought individually for 1 credit.

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Episodes

Season10 episodes in this season

Season 1 · 10 episodes

Pilot

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

2025-02-02 22m★ 7.9Now playing

Lakeshore Limited

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

2025-02-02 23m★ 7.6

Hildy

Marshall visits an old mentor as new pressures mount.

2025-02-09 23m★ 7.9

Dumpsite

Frances tracks down Marshall in an unlikely location.

2025-02-16 23m★ 7.6

Star-Tel-Lite

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

2025-02-23 22m★ 7.1

In the System

Stuck in jail, Marshall faces new threats.

2025-03-02 23m★ 7.5

Blowfish

A chance encounter offers a risky opportunity for escape.

2025-03-09 23m★ 7.4

Amelia & Wyatt

Marshall and his new ally make a bold move.

2025-03-16 22m★ 7.2

Cliff's Edge

Marshall's mushroom project grows out of hand.

2025-03-23 23m★ 7.6

Raid

Dangerous forces converge on Marshall's camp.

2025-03-30 23m★ 7.9

Season 1 Season 2

Common Side Effects FAQ

How much does it cost to watch Common Side Effects?

Episodes cost 1 credit each. Credits are $1 each, so a full season costs the number of episodes in credits. Each episode you unlock stays in your account permanently.

Do I need an account to watch Common Side Effects?

Yes. Create an account and add credits before unlocking an episode. Signing up is free and only needs an email and password.

How many seasons of Common Side Effects are there?

Common Side Effects has 2 seasons on Cineby, with 11 episodes in total. Start with season 1 below.

Where should I start watching Common Side Effects?

Start with season 1, episode 1. The episode list on this page keeps the order, and the player moves to the next episode when one ends.

Can I watch Common Side Effects with subtitles on my phone?

Yes. The player includes a CC menu where available, and the whole site is built for mobile. Fullscreen and picture-in-picture are supported.