Motherland - which is written by Horgan, Holly Walsh, Graham Linehan and Helen Linehan - started life as a pilot in 2016. The first series, which was broadcast in November, was a hit, proving popular on BBC iPlayer where it was released as a box set, and on BBC Two, where it became one of the channel's most watched sitcoms of 2017.
Horgan told Digital Spy that she was keen to explore different types of parenting in the next series. "We definitely want to get a few more mums in there. We represented as many types without them feeling like types as we could, but I think there's more out there to explore and so many great comedy actresses to play those roles as well. It's like being a kid with a bunch of toys, it's the best thing ever."
Horgan, who is currently starring in new film Game Night, is also working on the next series of Catastrophe for Channel 4. Speaking about the challenges of writing the scripts for Motherland, she said: "It's a bit of a logistical nightmare because there's quite a few writers on it so just getting us together and available at the same time but we're working it out, for sure."
Further details about Series 2 of Motherland are expected in due course. It is expected to be written and filmed later this year.
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