The Prime Video thriller series The Girlfriend has 6 episodes in its first season, all released at once on September 10, 2025.

Since there are other shows with similar titles, here’s a quick clarity check:

  • The one starring Robin Wright and Olivia Cooke on Prime Video: 6 episodes in Season 1.
  • Some outlets simply confirm it as a single 6‑episode season so far, with no official renewal yet.

So if you’re searching “the girlfriend how many episodes” about the recent Prime Video thriller everyone’s been discussing, you’re looking at a compact 6‑episode binge.