Lee Pace Confirms “Foundation” Season 4 Filming Begins in Prague, Story Expands

Lee Pace has confirmed that Season 4 of Foundation is now in active production in Prague. Cameras began rolling around January 5, 2026, according to on-set reports.

He plays Brother Day, the Cleon clone who has been central since the 2021 premiere. Pace also takes on a producer role for the new season.

Production details

The fourth season is being filmed entirely in the Czech Republic. Producers scheduled more than 120 days of principal photography there.

Shooting uses Prague Studios in Letňany and multiple Czech locations. This marks the first season shot solely within the country.

Creative leadership and producers

• Co-showrunners: Ian Goldberg and David Kob.
• Creator David S. Goyer: stepping back from day-to-day showrunning, remaining executive producer.
• Other executive producers include Bill Bost, Lee Pace and Robyn Asimov.

Cast and returning characters

Key returning performers are expected to include Jared Harris and Lou Llobell. Laura Birn also figures prominently among empire-related roles.

Season 3 featured guest appearances by Cherry Jones, Pilou Asbæk and Troy Kotsur. The ensemble has grown across the show’s three seasons.

Timeline and release outlook

Principal photography is planned to run into spring, with a likely wrap around May 2026. Post-production will involve extensive visual effects work.

Insiders place a probable 2027 premiere window to match the series’ recent production cycles. Apple TV+ announced Season 4 renewal in September 2025.

Narrative direction

Pace described the new season as adding “a whole new dimension” and making the story larger in scope. There is no major time jump planned between seasons.

Fans reacted enthusiastically after Pace’s on-set comments. Social media quickly filled with theories about plot and new characters.

Lee Pace Confirms “Foundation” Season 4 Filming Begins in Prague, Story Expands and his involvement now includes producing duties, which may affect creative decisions.

Why Prague?

Prague offers historic architecture and modern studio facilities suitable for the series’ varied settings. Local crews bring experience in large-scale international productions.

The full-Czech shoot reflects budget and logistical choices. It also provides economic benefits for the local industry.

Series background

Foundation adapts Isaac Asimov’s novels about psychohistory, empire decline and human resilience. The series has released three seasons and 30 episodes since 2021.

Apple TV+ positioned the show as a flagship original. Critics and viewers have praised its scale and complex storytelling.

Filmogaz.com will monitor production milestones and share confirmed updates as they arrive from the set in Prague.