The Iris Affair has a total of eight episodes in its initial season. The first four episodes were released simultaneously on October 16, 2025, with the remaining four episodes released weekly thereafter. The series, created by Neil Cross, is a thriller set in Italy, revolving around a genius named Iris Nixon who steals a dangerous code and goes on the run. There is currently only one season with eight episodes confirmed, though the creator has expressed interest in continuing the story in future seasons. This information is consistent across multiple sources including Sky, IMDb, and NOW streaming platform.