[10][11] Produced by VIS (a division of ViacomCBS Networks), Prointel and Isla Audiovisual for Amazon Prime Video and RTVE,[12] the series consists of 4 self-contained episodes featuring a running time of around 50 minutes.

[14] In February 2022, VIS announced the renovation of the series for a second season, with episodes directed by Jaume Balagueró, Nacho Vigalondo, Salvador Calvo and Alice Waddington.

[6] Shooting of the episode "El trasplante", directed by Calvo, co-written by Ignacio del Moral, and starring Javier Gutiérrez, Petra Martínez, Carlos Cuevas and Ramón Barea, was already underway.

[7] Shooting of Waddington's episode "La pesadilla", co-written by Rocío Martínez Llano and starring Álvaro Morte, Mina El Hammani and Boré Buika [es], wrapped in May 2022.

[8] Balagueró's episode "El televisor" (written alongside Beto Marini [es]) shot afterwards, starring Pablo Derqui and Manuela Vellés.