Is Siar 20 Bliain coming back?

Siar 20 Bliain's return is unconfirmed. The show last aired on December 27, 2025, and has not announced a new season or episode schedule.

Siar 20 Bliain is a documentary series that premiered in 2025 on TG4. It focuses on the analysis of newly released classified state files, providing insights into historical and political topics through detailed examination of these documents.

Each episode has a runtime of approximately 35 minutes, and the show has only aired one episode so far.