When does The Swarm return?

The Swarm (German: Der Schwarm) is a German co-produced science fiction television series directed by Barbara Eder, Luke Watson and Philipp Stölzl. Adapted from the novel by Frank Schätzing, the series depicts the struggle of humankind against an unknown swarm intelligence that lives in the depths of the sea. The Swarm premiered on ZDF between 22 February and 8 March 2023.