When does Garth Marenghi's Darkplace return?

Garth Marenghi's Darkplace is a 2004 British horror parody television series. The series is presented as a special release of the fictional television series Darkplace. Within the reality of the show, Darkplace was produced in the 1980s for Channel 4, but never broadcast anywhere but Peru. The show was later broadcast in the United States on the Sci-Fi Channel and Adult Swim and is available to stream on Peacock.