When does Calls return?

Calls is a mystery thriller analog animated miniseries created by Fede Álvarez. The show is based on a French television series of the same name. It premiered on Apple TV+ on March 19, 2021. The series won a Primetime Emmy Award for Outstanding Motion Design.
Calls chronicles the mysterious story of a group of strangers whose lives are thrown into disarray in the lead-up to an apocalyptic event. Calls allows "audiences to experience short stories through real-life audio sources and minimal visuals"