The Swarm “Episode 4” S1E4 October 3 2023 on CW

Tonight (Tuesday October 3 2023), CW broadcasts an episode of the series The Swarm!

Episode 4 Season 1 Episode 4 Episode Summary

In this episode, viewers will witness Dr. Roche as he takes a crucial step in addressing the pressing issue on the French Atlantic coast.

Dr. Roche plays a pivotal role as he informs a commission about the increasingly dramatic situation unfolding along the coast. The challenges are mounting, and the stakes are higher than ever as he shares the latest developments with those responsible for managing the crisis.

Meanwhile, Sigur and Tina, two integral characters, return to the Thorvaldson, where they continue their survey of the seabed. Their mission: to track the elusive ice worms that have been causing havoc in the region. To their surprise, they discover that the ice worms have continued to spread, posing an even greater threat.

What Time is the “Episode 4” Episode On?

The Episode 4 episode of The Swarm will be broadcast on October 3 2023 on CW at 9:00 PM at ET/PT.

Is the “Episode 4” Episode New?

The Episode 4 episode of The Swarm is all new!

The Swarm Episode 4 Cast & Stars

Main Cast
Cécile de France as Dr. Cécile Roche
Alexander Karim as Dr. Sigur Johanson
Leonie Benesch as Charlie Wagner
Joshua Odjick as Leon Anawak
Takuya Kimura as Aito Mifune
Krista Kosonen as Tina Lund
Rosabell Laurenti Sellers as Alicia Delaware
Barbara Sukowa as Prof. Katharina Lehmann
Kim Mousa as Mesuli
Oliver Masucci as Captain Jasper Alban
Sharon Duncan-Brewster as Samantha Crowe
Claudia Jurt as Dr. Natalia Oliviera
Kari Corbett as Iona
Jack Greenlees as Douglas MacKinnon
Lydia Wilson as Sara Thompson
Takehiro Hira as Riku Sato
Klaas Heufer-Umlauf as Luther Roscovitz
Eidin Jalali as Rahim Amir
Franziska Weisz as Sophia Granelli
Andrea Guo as Jess
David Vormweg as Tomas
Dutch Johnson as Jack Greywolf O'Bannon

Episode 4 Episode Videos & Previews


Watch The Swarm Episode 4 Online

The Swarm Series Information

Humanity faces an unknown threat that lives in the sea. A team of scientists posit a seemingly impossible theory that challenges humanity's self-understanding as the ultimate creation.

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