This documentary episode on S4C HD programming offers a quick overview of Gwynfor Evans – a Christian pacifist and nationalist whose legacy shaped modern Welsh history. At a glance, UK television and British TV viewers get programme highlights that blend drama and entertainment, making it a must‑watch episode in the series and a standout entry in the television guide for anyone interested in Welsh politics.

The documentary episode airing on 21 September 2025 offers a compelling portrait of Gwynfor Evans – a Christian pacifist, nationalist and one of the most influential figures in modern Welsh history. Produced for S4C HD, the programme blends archival footage, dramatised reenactments and fresh interviews to trace Evans’s journey from his early ministry to his pivotal role in establishing the Welsh language’s legal status. In this comprehensive guide we outline the full details of the episode, positioning it as a must‑watch for anyone interested in UK television that bridges politics, faith and cultural identity. Viewers will be taken on a chronological narrative that begins with Evans’s upbringing in a farming community and his conversion to Christianity, before moving into his conscientious objection during the Second World War. The documentary then explores his entry into politics, his historic 1966 by‑election victory for Plaid Cymru and his relentless campaign for a Welsh‑language television service. Expert commentary from historians, former colleagues and Evans’s own family members adds depth, while the drama sequences recreate key moments such as the 1979 de‑volution debate in Westminster. The episode balances factual rigour with emotive storytelling, delivering an in‑depth review of a life that still resonates across British TV and political discourse. Among the standout features are never‑before‑seen letters from Evans to his congregation, which reveal his theological reflections on non‑violence, and rare footage of the 1979 S4C launch ceremony. The series also incorporates a modern‑day perspective, showing how contemporary Welsh activists cite Evans’s legacy when campaigning for climate justice and language preservation. High‑definition cinematography captures the rugged Welsh landscape, reinforcing the connection between the land and the nationalist sentiment that shaped Evans’s politics. The programme’s blend of documentary and drama makes it a unique entry in the current slate of UK entertainment offerings. The episode speaks to a broad spectrum of UK viewers, from history buffs and political enthusiasts to those drawn to human‑interest stories of faith and conviction. Its focus on a figure who championed both peace and cultural self‑determination aligns with current conversations about regional identity and de‑volution within the United Kingdom. Moreover, the inclusion of personal anecdotes and the moral dilemmas Evans faced provides a relatable narrative that transcends the specifics of Welsh politics, making it relevant to anyone interested in the interplay of religion, activism and public service on British TV. This documentary forms part of S4C HD’s ongoing commitment to high‑quality, bilingual storytelling that celebrates Wales’s heritage while reaching a wider UK television audience. Positioned alongside other flagship series and drama productions, the episode reinforces S4C’s reputation for delivering compelling, well‑researched content that competes with mainstream British TV. For UK viewers seeking a comprehensive guide to the series, the episode offers both entertainment and education, cementing its place as a standout entry in the channel’s 2025 schedule.