2xserien
2xserien is a term used in media discourse to describe a format in which two parallel narrative series are produced and released in relation to each other, sharing a universe, cast, or overarching story, and often designed to be consumed together. The term is informal and lacks a single, universally accepted definition, appearing mainly in online discussions and some media studies literature.
In typical implementations, 2xserien can take several forms. One is two companion series airing concurrently with
Origins and usage of the term are tied to online media communities and industry explorations of interconnected