Following the news detailed in the BBC Annual Plan 2021/22 that BBC Four will cease to broadcast original content and will revert to an archive-only channel as a cost-cutting measure, this article endeavours to understand the legacy of the channel as it was, as it is and what it could become.

中文翻译：

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最后一次广播：对 BBC 四台的生活和遗产的思考

继 BBC 2021/22 年度计划中详细介绍了 BBC 四台将停止播放原创内容并将恢复为仅存档频道作为削减成本的措施之后，本文试图了解该频道的传统，它是什么，它可能会变成什么。